Sensors

The module uses a 24-bit high precision A/D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. HX711 Module Weighing Pressure Sensor 24 Bits features:
- Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

Load Cell 1 kg Scale Sensor Weight Arduino 
Load cell to measure weight up to 1kg
The transducer measures the deformation of the metal structure and converts it into a few mV. Load cell Load Cell Weight Sensor 1kg features:
- Load range: 1kg
- Operating voltage: 3VDC ~ 14 VDC.
- Nominal output: 1.0 ± 0.15mV / V
- Repeatability: 0.03% FS
- Effect of the temperature at the outlet: 0.01% F.S / ° C

Load cell Load Cell Weight Sensor 2kg features:
- Load cell to measure weight up to 2kg
- The transducer measures the deformation of the metal structure and converts it into a few mV
- Load range: 2kg
- Operating voltage: 3VDC ~ 14 VDC
- Nominal output: 1.0 ± 0.15mV / V
- Repeatability: 0.03% FS
- Effect of the temperature at the outlet: 0.01% F.S / °C
- Effect of temperature on zero: 0.05% F.S / °C
- Zero: ± 0.1000 mV / V
- Input impedance: 1115 + -10% Ω
- Output impedance: 1000 + - 10% Ω
- Insulation resistance:> = 1000 MΩ
- Safe Overload Rate: 150% FS
- Final overload rate: 200% FS
- Temperature range: -20 - 60 °C
- Material: Aluminum alloy
- Degree of protection: IP65

Load cell Load Cell Weight Sensor 5kg features:
- Load cell to measure weight up to 5kg
- The transducer measures the deformation of the metal structure and converts it into a few mV
- Load range: 5kg
- Operating voltage: 3VDC ~ 14 VDC
- Nominal output: 1.0 ± 0.15mV / V
- Repeatability: 0.03% FS
- Effect of the temperature at the outlet: 0.01% F.S / °C
- Effect of temperature on zero: 0.05% F.S / °C
- Zero: ± 0.1000 mV / V
- Input impedance: 1115 + -10% Ω
- Output impedance: 1000 + - 10% Ω
- Insulation resistance:> = 1000 MΩ
- Safe Overload Rate: 150% FS
- Final overload rate: 200% FS
- Temperature range: -20 - 60 °C
- Material: Aluminum alloy
- Degree of protection: IP65

Load cell Load Cell Weight Sensor 10kg features:

Load range: 10kg

Operating voltage: 3VDC ~ 14 VDC.

Rated output: 1.0 ± 0.15mV/V.

Repeatability: 0.03% FS

Effect of temperature on output: 0.01% F.S / ° C

Temperature effect on zero: 0.05% F.S / ° C

Load cell Load Cell 20kg features:
- Load range: 20kg
- Operating voltage: 3VDC ~ 14 VDC
- Nominal output: 1.0 ± 0.15mV / V
- Repeatability: 0.03% FS
- Effect of the temperature at the outlet: 0.01% F.S /°C
- Effect of temperature on zero: 0.05% F.S /°C
- Zero: ± 0.1000 mV / V
- Input impedance: 1115 + -10% Ω
- Output impedance: 1000 + - 10% Ω
- Insulation resistance:> = 1000 MΩ
- Safe Overload Rate: 150% FS
- Final overload rate: 200% FS
- Temperature range: -20 - 60 °C
- Material: Aluminum alloy
- Degree of protection: IP65
- Cable length: 25 cm
- Size: 75 x 12.7 x 12.7 mm
- Wiring:
* Red: Feeding +
* Black: Source -
* Green: Sign +
* White: Signal -

Photoresistor is a resistor whose resistance decreases with increasing intensity of light
that affects her 10x Photoresistor GL5528 LDR features:
- Model: GL5528
- Spectral peak: 540nm
- Maximum DC voltage: 150V
- Maximum power: 100mW
- Resistance with light (10lux): 10-20KΩ
- Resistance with darkness (0lux): 1MΩ
- Response time: 20ms
- Operating temperature: -30ºC - 70ºC
- 10k - 20k Arduino PiC 5mm
- Quantity: 10 units

This Reed switch module uses a small device called a reed switch.
When the device is exposed to a magnetic field, the two ferrous materials inside the switch come together and the switch closes. When the magnetic field is removed the switch opens. The operating mode: - When exposed to a magnetic field the DO output is high
- Power supply: 3.3-5V
- Contact type: SPST-NO (normally open)
- Use temperature: -20ºC to + 80ºC
- Type Output: Digital (1 - 0)
- PCB dimensions: 32 x 14 mm

This module includes the BMP280 component that converts atmospheric pressure, temperature and humidity with high precision into a digital signal.
The equipment uses the two I2C and SPI interfaces. The very good measurements made by the BMP280 allows the module to be used as an altimeter.
Its 5-pin straight connector allows easy connection to other electronic boards. BMP280 Temperature Barometric Pressure Sensor Module/SPI features:
- Interfaces:
       -I2C (up to 3.4 MHz)
       -SPI (up to 10 MHz)
- Supply voltage: 1.8-5VDC
- Module operating range:
       - Temperature: -40ºC to + 85ºC
0-100%
       - Pressure: 300-1100 hPa
- Resolution of the measures:
       - Temperature: 0.01ºC

This module is a dust sensor capable of detecting more than one micron of dust particles.
It has two types of output: output of 4V high-level signal for a clean environment and 0.7V low-level signal for a particle-laden environment.
Its power supply is 5VDC and the particle detection range is maximum at 8000 units per 283ml. Dust Sensor Module PPD42NS PM2.5 features:
- Supply voltage: 5VDC
- Working current: 90mA
- Sensitivity: 0.5V / ( 0.1 mg / m3)
- Particle detection minimum value: 1 micron
- Output mode: Hi = 4V impulses (clean environment); Lo = 0.7V (charged environment)
- Temperature working: 0-45 ° C
- Working humidity: 0-90% RH
- PCB size: 59x45x22 mm

This module adapted for the arduino is a light sensor. The resistance of the LDR cell decreases as the light intensity increases.
On the contrary in a dark environment, the resistance of the LDR cell increases accordingly. Characteristic: - 3-pin connector: 1- GND
2- VCC
3- analog output - the voltage depending on the light
- Supply voltage: 3.3 V-5VDC
- PCB size: 19x15x8 mm

The module is based on a touch sensitive IC capacitive touch switch module (TTP223B).
In the normal state, the module produces Low power consumption. When a finger touches the corresponding position, the module output is high, if not touched for 12 seconds, it switches to low power mode. Digital Touch Sensor B21 features:
- Low power consumption
- Input voltage: 2 - 5.5VDC
- Can replace the traditional touch of a button - Four M2 screws diameter 2.2 mm that position the holes for easy installation
- 3-pin control interface:
1- GND
2- VCC
3- Control signal (output pin)
- Power indicators: Bright green LED when the sensor is on

Definition of the Hall effect: When a current passes through a bar of semiconductor (or conductive) material, and if an induction magnetic field B is applied perpendicularly to the direction of current flow, a voltage, called the Hall voltage, proportional to the magnetic field, and the current appears on the side faces of the bar.
This voltage is proportional to the speed of movement of the charge carriers, It is considerably higher in semiconductor materials than in metal conductors. Magnetic Sensor Characteristic: - Input Voltage: 3.8-30VDC - Output current: 40mA
High output current capacity -40 mA maximum absolute
Quad-Hall design virtually eliminates static mechanical effects
Magnetic compensated temperature - Digital current sinking output

This module adapted for the arduino is a unipolar Ic Hall effect magnetic sensor. The Hall effect is when a current passes through a bar of semiconductor (or conductive) material, and if an induction magnetic field B is applied perpendicular to the direction of current flow, a voltage, called Hall voltage, proportional to the magnetic field, and the current appears on the faces sides of the bar. This tension is proportional to the displacement speed of the charge carriers, which is considerably higher in semiconductor materials than in metal conductors. Hall Effect Sensor Module KY-003 with SH3144E TO-92 features:
- 3-pin connector: 1- GND
2- VCC
3- Voltage is recovered depending on the magnetic effect
- Supply voltage: 5VDC
- Output current: 40mA

Ultrasonic sensors overcome many of the weaknesses of IR sensors by providing distance measurement regardless of the color and illumination of obstacles. Ultrasound Distance Sensor HC-SR05 features:
- Power supply: 4.5-5.5 VDC
- Supply current: 10 to 40 mA
- Activation pin format: 10 μs digital pulse
- Echo Pin Output: 0-Vcc
- Echo Pin Format: the output is DIGITAL and directly proportional with range. See our conversion formula below
- Measurement range: 2cm to ~ 4.5m
- Measurement resolution: 0.3cm
- Measurement angle: up to 15 degrees
- Measurement speed: 40 Hz,
- Connector: standard 5-pin male connector that can be connected directly to boards or breadboards:
- 1: VCC
- 2: Trig
- 3: Echo

The MAX9812 is a sound amplifier specially designed to treat the signal coming from microphones.
We can use it together with Arduino to measure sound from a processor like Arduino.
When we saw the modules with microphone we commented that, in general, the signal generated is too low to be registered correctly.
If we want to be able to measure sounds, we will have to amplify the signal. The MAX9812L has single / dual inputs, fixed gain of 20dB, bandwidth of 400 kHz, low noise and low signal distortion 0.015% THD.
There are two models, its supply voltage is 2.7V to 3.6V.
We can use the sensors with MAX9812 for applications that require measuring the intensity or frequency of the sound.

It consists of three principles of induction of primary colors, if you know the composition of all types of color values, you can know the color of the test object.
For TCS230, a color filter is chosen, only a certain primary pass is allowed, it is stopped by another color. For example, when choosing a red filter, the incident light can only be stopped in red, blue and green, so you can get the intensity of the red beam of light.
For the same reason, the choice of other filters, can obtain the intensity of blue light and green light.
Through these three values, the color of the light can be projected onto a TCS230 sensor. Color Recognition Sensor GY-31 TCS230 TCS3200 features:
- Operating voltage: 3 - 5 VDC
- Model GY-91
- Chip TCS230 TCS3200

This photo-resistance module is very sensitive to ambient light. Activation of the microcontroller or retransmission modules,
The brightness module of the ambient light reach the set threshold, the output is high when the ambient light exceeds the set threshold.
The DO output can be connected directly to a microcontroller to detect the light environment and create a light control switch.
It has a speed range of 0% to 100%. Digital Light Intensity Sensor with Photo Resistance with LM393 Controller features:
- Operating voltage: 3.3 - 5 V
- Input current: 50 mA
- Use a very sensitive photo resistance
- Use a LM393 wide voltage comparator, high quality output signal
- Adjustable potentiometer can regulate the brightness of detected light

The DS18B20 is a digital temperature sensor from Dallas Semi Conductors, used to measure ambient temperature or to carry out tests. It supports multipoint readings of the mesh networking type, being able to be deployed in three lines, in order to achieve these readings, it has a built-in pull-up resistance. Dallas Temperature Sensor Module DS18B20 features:
- Operating voltage: 3 - 5.5 VDC
- Measurement operating temperature: -55 ° C - 125 ° C
- Output current: 5 μA
- Accuracy of ± 0.5 ° C between -10 ° C and + 85 ° C
- Storage temperature: -55 ° C - + 125 ° C
- 100% new and high quality
- Module DS18B20 temperature measurement sensor
- The DS18B20 sensor has a pull-up resistor
- Power indicator LED on the module

M12 Inductive Proximity Sensor NPN DC 6-36V LJ12A3-4-Z/BX 3D Printer features:
- This sensor can be configured as Z axis auto level
- Inductive proximity sensor detection switch LJ12A3-4-Z / BX
- NPN DC6-36V
- Often used for 3D printer bed leveling
- Typical application: 3D printer bed level sensor
- Type of Cylindrical DC cable 3 type of cable (black, brown, blue)
- Inductive sensor type
- NPN NO (Normal Open)
- Detecting Distance 4mm
- DC supply voltage 6-36V
- 300mA current output
- 0.5KHz response frequency
- Detects iron / aluminum
- Operating temperature -25 ° C to + 55 ° C (Condition non-freezing)
- Head diameter 12 mm
- Size 6.2 x 2cm
- Cable length 100cm

- Immerse the probe in the fish tank to measure the water temperature Digital Thermometer with External Temperature Probe features:
- Cable length: 1m
- LCD screen
- Temperature range: -50 C ~ + 70C
- Powered by 2 batteries x LR44 / AG13 button (included)
- Cable length: approx.100cm
- External Dimensions: 48 x 28.5 x 15.2 mm
- Dimension LCD screen: 35 x 16 mm
- Color: Black
- Used to measure the temperature in: the rooms, the aquarium, terrarium in the heating system, in the car, fridge, freezer

Characteristic: - Diameter: 35mm
- Frequency: 2.3 kHz
- Impedance (resonance): 300 Ohm
- Capacity (at 1kHz): 25,000 pF
- Dimensions: 35x0.50mm

When the piezoelectric ceramic shock will generate an electrical signal,
the analog port of the Arduino controller may perceive weak vibration signals. Can also be done with jobs related to vibration interactions, such as electronic drums.

Speed sensor module for Arduino motors features:
- Slot-type optocoupler sensor, slot width: 10 mm.
- The encoder module is a device that can help you in the creation of your robotics and automation project, whether you want to know the speed of a motor or the exact position of it.
- Output Out - Emits a low level when there is no block in the slot, otherwise it produces a high level. The operating mode: - When the sensor is blocked the OUT output is high
- Power supply: 3.3-5V - Current consumption 15 mA max.
- PCB dimensions: 25 x 20 mm

Inductive Proximity Sensor PL-05P PNP Limit Switch is used for controlling machinery as part of a control system, as a safety interlock, or to count objects passing a point. Inductive proximity sensor PL-05P 5mm with PNP output features:
- Manufacturer: Fotek,
- Square Type,
- Sensing distance: 5mm,
- Operating voltage: 10 - 30 VDC,
- Response frequency: 800Hz,
- Output method: PNP, 150mA load,
- Hysteresis: <10% of sensing distance,
- Protection degree: IP67,
- Working temperature/Hum: -20ºC - +80ºC, 35% - 90% RH,
- Body dimension: 30.5x17.9x10.2mm (LxWxH),
- Mounting Method: Flush,
- Sensing Direction: Horizontal,
- Materia Housing: High-impact plastic,
- Screw hole: 3.2mm, Pitch: 10.5mm,

3-axis analog accelerometer module based on the MMA7361 sensor. The built-in sensor has a low demand for electricity. The measuring range of the sensor can be changed between two ranges ± 1.5 g and ± 6 g. The selection is made using a digital input or welded bridges.
MMA7361 Triple Axis Analog Accelerometr features:
MMA7361 3-axis analog accelerometer Supply voltage: 3.3 - 5 V (built-in RT9161 chip) Measuring range selected from the IO line of the microcontroller or via bridges Comparators with hysteresis for CMOS / TTL 3.3 V, 5 V inputs Pin pitch: 2.54 mm Dimensions: 28 x 17 mm.        Helpful links - MMA7361 datasheet

Led infrared sensor.
Detector of the source of fire or flame, can detect a flame or wavelength 760 nm-1100 nm
Particularly sensitive to the flame spectrum.
This optical flame sensor is a device that detects the existence of combustion by the light emitted by it.
Infrared LED Flame Sensor 5mm features:
- Range of light, Distance of 80 cm.
- Angle detection of about 60 degrees,
- This light can be detected by an optical sensor,
- Can be captured by digital inputs and analog inputs of Arduino.

Led module infrared sensor for Arduino
Detector of the source of fire or flame, can detect a flame or wavelength 760 nm-1100 nm
Particularly sensitive to the flame spectrum.
This optical flame sensor is a device that detects the existence of combustion by the light emitted by it.
Infrared LED Flame Sensor 5mm module features:
- 4 Pins Output:
    - A0: analog output
    - D0: digital output
    - GND: ground connection
    - VCC: 5V module power
- Range of light, Distance of 80 cm.
- Angle detection of about 60 degrees,
- This light can be detected by an optical sensor,
- Can be captured by digital inputs and analog inputs of Arduino.

Encapsulated with water resistant stainless steel with sensor dimensions 5,5 * 50mm, cable length 5m. DS18B20 Digital Temperature Sensor Probe 5m features:
- Based on the DS18B20 chip
- Supply voltage: 3 ~ 5.5V
- Consumption <5mA
- Measuring Range: -55 °C to 125 °C
- Accuracy: +/- 0,5ºC
- Outputs: - GND black
      - Vcc red
      - Yellow digital output
- Inocidable steel
- Cable length: 5m

The resistance of the sensor has a force measurement range of 0-10 kg
Its resistance varies depending on how much pressure is applied to the detection area, the greater the force, the lower the resistance.
Peel and stick the rubber backing on the other side of the detection area to mount.
It can detect the applied force in the detection area in the range of 0g-10kg.
Circular force sensing resistor features:
- Detection area: 1.27cm / 0.5 inches
- Output signal: passive variable resistance
- Force detection range: 0 g ~ 10 kg
- Length: 6 cm / 2.36 inches
- Width: 1.9cm / 0.75 inches

Three-axis electromagnetic field sensor module GY-273 including the HMC5883L chip that specifies the direction of the magnetic field of the ground.
Digital Compass GY-273 Compas Magnetometer features:

• Supply voltage: 2.16 - 3.6 VDC,
• I2C interface with SCL, SDA,
• signals - Measurement range: 1.3 to 8 Gauss,
• Measurement resolution: 12 bits,
• Measurement accuracy: 0.73 - 4.35 Gauss,
• Transmission speed 400kHz, 
• Sensitivity 230-1370 LSB / Gs,
• Output frequency: 75Hz,
• DRDY pin interruption,
• Dimensions of 18 mm x 13 mm.

This detection module combines a phototransistor and an LED that, when placed on a finger or ear lobe, provides a reading.
By reading this signal you can interpret a change in the signal as a heartbeat.
Keep in mind that this is a sensitive module and you will experience the noise from home lights and other sources, since minimizing the lighting of the unit will help get the readings.
Heartbeat sensor Arduino features:
- Connection pins:
- S: Analog output
- (+): Power supply 3-5 VDC,
- (-): GND.
- Length: 18mm,
- Width: 18mm,
- Height: 4mm,
- Operating temperature: -40ºC to + 85ºC.

Ultraviolet ray detection module 200-370nm with a supply voltage of 3.3-5 VDC and a very low consumption of 0.1mA.
100% compatible UNO module.
Characteristic:
- Operating voltage: 3.3-5 VDC
- Output voltage: 0-1 VDC
- 3-pin connector:
- OUT: output signal
- VCC: Supply voltage
- GND: Ground connection - Test accuracy: ± 1UV INDEX
- Current: 0.06mA (typical), 0.1mA (maximum)
- Wavelength of the response: 200nm-370nm (ultraviolet rays) - Response time: less than 0.5 seconds
- Operating temperature: -20ºC - + 85ºC
- Size: 19.80 x 15mm

The optical (reflective) module sensor with LM393 comparator, which detects obstacles with high accuracy. The ideal detector for obstacle detection for the installation of intelligent robots.TCRT5000: reflective optical sensor that has a compact construction where the light emitter and receiver are placed in the same direction to detect the presence of an object using infrared reflection on the object. The transmitter is an infrared LED and the receiver is a phototransistor. The sensor allows the detection of an object at a distance of up to 3.5 cm from the white paper and 1 cm from the person's finger.

Holder for ultrasonic, distance meter HC-SR04. Ideal for installing the sensor on mobile platforms such as robots, vehicles, etc.

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 1.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 1.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 5.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 5.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 10.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 10.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 50.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 50.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

NTC thermistor - with a negative temperature coefficient, i.e. an increase in temperature causes a decrease in resistance.   Thermistor NTC 100.0K 5% MF52A epoxy resin coating resistor features:

Size: 3mm
Rated resistance: R25 = 100.0k
B value 25/85 = 3950°K
Rated power: ‰¤ 50mW
Tolerance:± 5%
Operating temperature: from -40°C to +125°C  Tinned steel wire 25mm

The sensor measures the current flowing in the cable without cutting it. The measurement is made on a single insulated wire, the output is an analog voltage from 0 to 1 V. Sensor SCT-013-030, Non-Invasive 30A AC Current Meter features:
Input current: 0 to 30A AC Output voltage: 0 to 1 V AC Built-in load resistance: 62 Ω Winding ratio: 1800: 1 Operating temperature range: -25 ° C to 70 ° C Cable length: 1 m Sensor weight: approximately 45 g Sensor SCT013-030 datasheet

Sensor used for measuring of the object acceleration in 3 axis in the range of either ±2g, ±4g or ±8g. It is powered with 1.95V to 3.6V. What sets this module apart is its user-friendliness, compatible size and low power consumption. it comes with headers attached

This accelometer is powered with 1.8 to 3.6V and consumes only up to 320 uA of current. The circuit fits on the small 18mm on 18mm board and is fully compatible with Arudino

This board features and extremely low power LIS331HH accelerometer. The unit is a MEMS three axis linear accelerometer with a I2C- SPI serial interface enabling use with embedded applications. The range of measurement includes three options +-6g/+-12g/+-24g and enables datalogging with output rates fro 0.5 Hz to 1kHz. Check this and plenty of other accelerometers in our offering of both Sparkfun and other producers

Sensor used for measuring of the object acceleration in 3 axis in the range of either ±2g, ±4g or ±8g. It is powered with 1.95V to 3.6V. What sets this module apart is its user-friendliness, compatible size and low power consumption. it comes with headers attached

It is a version without headers of a popular BOB-09868 from SparkFun.

In our offer, we have a versuib with headers (SP0001) and with QWIC system (SP0005).

Sensor used for measuring of the object acceleration in 3 axis in the range of either ±2g, ±4g or ±8g. It is powered with 1.95V to 3.6V. What sets this module apart is its user-friendliness, compatible size and low power consumption. It comes with QWIIC connectors

This sensor from Advancer Technologies is an improved version of the bestseller from this producer. It got several upgrades including single supply voltage of 3.1V up to 5V, polarity protection in the power pins output and RAW EMG. 

This a pack of 10 disposable electrodes is for biomedical measuring including EEG. Best suited for monitoring of neuro- and bio-feedback purposes. These are a single use, however very user friendly thanks to the latex-free gel.

This is not a medical device and is to be used for strictly educational purposes.

12VDC plastic solenoid valve. Normally closed. Liquid can flow in one direction and a minimum pressure of 0.02Mpa (3 PSI) is required. This liquid valve would be a great addition to your robotic gardening project. There are two 1/2 ″ outlets. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve can be opened and pushed.

Mini electricity generator, built base on a turbine and an electric generator that converts kinetic energy into electricity. The generator output is rectified and regulated for a maximum of 12V. Please note -if we want to generate more current, the turbine will oppose the greater resistance to the flow of water, and the voltage may drop if the water flow is not sufficient. This generator is made of plastic and the turbine is totally isolated from the generator and rectifier, the outputs are 1/2 "usually found in domestic pipes.

The INA219 breakout board can be powered by the 5V or 3V pin on your Arduino and communicates via I2C. If you want to sense an Direct Current (DC) with high accuracy and voltage too, we suggest you to use this sensor. I2C sensor can easily interfaced with arduino. It uses 4 pins only.

The new SensorTag IoT kit invites you to realize your product idea connected to the cloud.
The new SensorTag now includes 10 low-power MEMS sensors in a small red package.
And it's expandable with DevPacks to make it easy to add your own sensors or actuators.
Connect to the cloud with low-power Bluetooth and Get your sensor data online in 3 minutes.
The SensorTag is ready to go right away with an iOS and Android app, no programming experience to get started.
The new SensorTag is based on The CC2650 Wireless MCU, which offers 75% less power consumption than previous Bluetooth low energy products.
This allows the SensorTag to run on batteries, and offers years of battery life with a single coin cell battery.

The module uses a 24-bit high precision A / D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. Module features: - Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

The module uses a 24-bit high precision A / D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. Module features: - Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

The module uses a 24-bit high precision A / D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. Module features: - Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

The module uses a 24-bit high precision A / D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. Module features: - Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

The module uses a 24-bit high precision A / D conversion chip HX711.
The input circuit can be configured to provide a bridge.
The electric bridge voltage sensor model (such as pressure, weight) is an ideal sampling module with high precision and low cost. Module features: - Two selectable differential input channels
- Active low noise PGA with selectable gain of 32, 64 and 128
- Power supply regulator for load cell and ADC analog power supply
- Oscillator on chip that does not require external component with optional external glass
- Power-on-reset on the chip
- Simple serial control and serial interface: controls driven by pins, programming is not required
- Output data rate 10SPS or 80SPS selectable

The kit includes 20 basic sensors, which will help you to easily kick-start any project. The sensors are featured with a proprietary Seeed Grove connectors enabling easy connection without soldering and a comprehensive guide book with exemplary classes.

The kit includes 30 basic sensors, which will help you to easily kick-start any project. The sensors are featured with a proprietary Seeed Grove connectors enabling easy connection without soldering and a comprehensive guide book with exemplary classes.

The kit includes 40 basic sensors, which will help you to easily kick-start any project. The sensors are featured with a proprietary Seeed Grove connectors enabling easy connection without soldering and a comprehensive guide book with exemplary classes.

Seeed Grove Arduino Starter kit is a game-changer for schools and robotic classes. You get a set of 10 sensors with a Arduino compatible board and 12 classes for only 28.99 EUR!

The Grove inventor kit is a great extension set for your micro:bit. By using Grove shield for micro:bit you are able to connect all the modules included in the pack purely by the Grove connectors with no need to solder or wire any parts. Now you can focus only on programing with your great mirco:bit.

The Grove Base Kit for Raspberry is all you need to start playing and making with your Raspberry Pi board. It is compatible with boards Pi 3 and Pi 4 and includes 8 basic sensors, a display and a motor. All of that on the grove connectors making it a seamless experience.

With this small module, you can integrate your Raspberry with Amazon Alexa voice module or Google Assistant. It has never before been so easy. Get a chance to experience challenges of the newest technological developments in AI and smart home technologies.

The module is equipped with an electret microphone with a sensitivity in the range of 20-20 kHz and the amplification is used in the Maxim MAX4466 integrated circuit, an operational amplifier specially designed for use as a microphone preamplifier.

The 28 sensor kit is a great extension kit for your micro: bit. Using Sensor shield for micro: bit you can connect all the modules included in the pack only by the connectors without the need to solder or wire any part. Now you can just concentrate on programming with your big mirco: bit.

This fingerprint scanner (as608-optical reader) is ideal for Arduino or Raspberry thanks to its small size and low power consumption. It has a simple interface, high reliability, good adaptability of wet and dry fingers, fast recognition speed and also in fast fingerprint search. Storage capacity of up to 120 fingerprints in its internal FLASH memory.

Level sensor for liquids with float. The liquid level sensor acts as a switch. Liquid level float sensors are used when constant control and regulation of the liquid level (water, oil and other fluids) is required such as extraction pumps. The sensor is equipped with a float with a magnet which, acting by the buoyancy force of the fluid, moves along the tube, shortening or opening the reed switch.

It can be used to detect liquid levels that are too high or too low. Ideal for all those applications where the level of non-corrosive liquids such as water tanks or aquariums needs to be monitored. It is made of stainless steel.

This sensor behaves like a switch that closes the circuit when both parts are put together. Ideal for intrusion detection, alarm system, light control and opening and closing devices. 

The GY-906 BAA is a plate-mounted temperature sensor, based on an integrated 3 V infrared thermometer, single zone, medical precision, compensated gradient, within 3 cm the precision is higher, approximately 0.5 degrees

The GY-906 BCC is a plate-mounted temperature sensor, based on an integrated 3 V infrared thermometer, single zone, medical precision, compensated gradient, accuracy within 5 cm is approximately 0.5 degrees higher

With this small and simple device, you can control your blood oxygen level yourself to avoid going to the doctor or pharmacy on purpose. Simply insert your finger and wait for the reading of haemoglobin (Spo2), heart rate and Perfusion Index (PI%). The heart rate is also graphically displayed. 

You can rotate the screen to see it in its 4 positions. High precision device, with low power consumption and automatic shutdown. 

This detection module that allows you to detect your heart rate and blood oxygen level from your Arduino project. You can monitor your blood oxygen level yourself to avoid going to the doctor or pharmacy on purpose. Simply press the sensor with your finger and wait for the reading of hemoglobin (Spo2), heart rate and Perfusion Index (PI%). It is a solution as an integrated heart rate sensor and pulse oximetry, which includes two LEDs, a photodetector and is optimized for analog low noise optics.

Velostat or Linqstat film of pressure sensitive material ideal for DIY projects on Arduino, Raspberry or other platforms. When folded or creased it reduces its resistance allowing for flexible sensors.

SONOFF SNZB-02 is an elegant mini wireless intelligent temperature and humidity sensor via ZigBee, through its Bridge(required). Program and create scenes based on the detected values. Maintain a stable temperature in your home.

This HAT is an open source portable sensor that provides the level of suspended particulate matter quantity with its mass. It has a powerful and high-tech PMSA003 sensor that provides the information of suspended particulate matter (PM1.0, PM2.5, PM10) in the air per unit volume.

This Shield provides a 3.5mm connector where you can connect a three-electrode sensor cable, allowing you to test and use the MyoWare muscle sensor without actually connecting it to your person.

Simple breadboard for your MyoWare Muscle Sensor. You can use the provided area of the shield to solder in any custom circuit you can think of. This shield provides 8 x 15 solderable through holes on a standard 0.1" grid.

This is the MyoWare Muscle Sensor Development Kit, an Arduino-powered electromyography (EMG) sensor kit that gives you the MyoWare, each MyoWare Shield and everything you need to connect them all together.

MyoWare Power Shield is designed to use two standard CR2032 coin cell batteries to power the MyoWare muscle sensor. These will be connected in parallel for extended capacity at a nominal 3.0V.

This is your simple three conductor sensor cable with electrode pad wires. These cables measure 24" long and feature a 3.5mm audio jack on one end with snap type receptacles for biomedical sensor pads.

The accelerometer sensor is an add-on for your RedBot that provides shock and motion detection. The sensor works by measuring acceleration forces on the x, y and z axes. By measuring the amount of acceleration (or lack thereof), your robot can better understand its movements.

The SparkFun micro:Climate kit is a complete weather station kit that builds on the weather:bit carrier board with weather and soil moisture sensors, all powered by the micro:bit. board.

Using Grove shield for micro:bit you can connect all modules included in the pack only by Grove connectors without soldering or wiring any parts. Now you can concentrate only on programming with your great micro:bit.

ZigBee temperature and humidity sensor provides accurate temperature and humidity measurements and stores this data in memory for one year. Broken down into days with hours, months and a year.

The local Zigbee gateway for your Tuya Zigbee devices provides high-speed local Ethernet + Zigbee Mesh connectivity, increased automation possibilities, local memory for parameters and devices.

ZigBee temperature and humidity sensor provides accurate temperature and humidity measurements and stores this data in memory for one year. Broken down into days with hours, months and a year.

This ZigBee open-close sensor provides information about the opening and closing status of the sensor, saving this data in memory. Ideal for knowing the status of doors and windows in intruder detection systems

The UNI-T UT300H temperature meter, which uses the latest technology, enables temperature measurements in the range of 32°C-42.9°C. The high accuracy of the device enables fast and accurate monitoring of body temperature as well as other environmental elements, e.g. objects, food, liquids, etc.

The UNI-T UT300H temperature meter, which uses the latest technology, enables temperature measurements in the range of 32°C-42.9°C. The high accuracy of the device enables fast and accurate monitoring of body temperature as well as other environmental elements, e.g. objects, food, liquids, etc.

Level sensor for liquids with float. The liquid level sensor acts as a switch. Liquid level float sensors are used when constant control and regulation of the liquid level (water, oil and other fluids) is required such as extraction pumps. The sensor is equipped with a float with a magnet which, acting by the buoyancy force of the fluid, moves along the tube, shortening or opening the reed switch.

It can be used to detect liquid levels that are too high or too low. Ideal for all those applications where the level of non-corrosive liquids such as water tanks or aquariums needs to be monitored. It is made of stainless steel.

Level sensor for liquids with float. The liquid level sensor acts as a switch. Liquid level float sensors are used when constant control and regulation of the liquid level (water, oil and other fluids) is required such as extraction pumps. The sensor is equipped with a float with a magnet which, acting by the buoyancy force of the fluid, moves along the tube, shortening or opening the reed switch.

It can be used to detect liquid levels that are too high or too low. Ideal for all those applications where the level of non-corrosive liquids such as water tanks or aquariums needs to be monitored. It is made of stainless steel.

Level sensor for liquids with float. The liquid level sensor acts as a switch. Liquid level float sensors are used when constant control and regulation of the liquid level (water, oil and other fluids) is required such as extraction pumps. The sensor is equipped with a float with a magnet which, acting by the buoyancy force of the fluid, moves along the tube, shortening or opening the reed switch.

It can be used to detect liquid levels that are too high or too low. Ideal for all those applications where the level of non-corrosive liquids such as water tanks or aquariums needs to be monitored. It is made of stainless steel.

Stylish smart scale with tempered glass platform with heart rate measurement and 12 body analysis functions. Compatible with the Tuya Smart App (iOS 8.0 or higher, Android 6.0 or higher). Easy-to-read LED display.

This air purifier uses a HEPA filter to safely remove viruses, bacteria, mold, mildew, dander, etc. Filters up to 99.5% of dust, pollen, tobacco smoke, mould spores and pet dander. Keeps the environment clean.

This air purifier uses a HEPA filter to remove viruses, bacteria, mould, dander, etc. safely. The dehumidifier regulates humidity in the bathroom, kitchen, etc. Filters up to 99.5% of dust, pollen, tobacco smoke, mould spores and pet dander. Keeps the environment clean.

Capsule Electret Condenser Microphone 9.5mm

This sensor behaves like a switch that closes the circuit when both parts are put together. Ideal for intrusion detection, alarm system, light control and opening and closing devices. 

Led IR 3mm is a pair of infrared LED's consisting of a photodiode (Emitter) that emits an infrared light when polarised through its working voltage ranges and a phototransistor (Receiver) that allows to capture the infrared light emitted by the photodiode.

Keyes 37 sensor kit is a great extension set for your Micro:Bit. Using Sensor shield for Micro:Bit you can connect all modules included in the pack only by the connectors without soldering or wiring any parts. Now you can concentrate only on programming with your big Mirco:Bit.