Components and sensors

The sensors can be integrated into a variety of instruments associated with a concentration of airborne particles to improve equipment, provide timely concentration, and have Exact data.
Present the laser that scatters products on airborne particles, at the same time at a specific angle collect scattered light, changing the intensity curve that scatters over time.
The microprocessor uses the algorithm based on the MIE theory to deduce the grain size contained in the air and the concentration of the particles per unit and quantity. Characteristic: - Power supply: 4.5-5.5 VDC
- Measurement range: 0.3-1.0ï¼ ›1.0-2.5ï¼› 2.5-10 µm (micrometer)
- Accuracy of count: 50%@>

CO2 sensor model MH-Z19C. High precision working voltage 5.0±0.1V DC. The measuring range is between 0 and 5000 ppm. It has a low power consumption. UART and PWM output.

Relay SRD-05 DC-2P 5V 10A SPDT features:
- Supply voltage: 5V
- Output Current: 10A
- For power switching with 5V DC signals - Microcontroller, Arduino, Electronica

Air quality sensor with high precision whose SDS011 uses laser dispersion to detect particle concentration between 0.3 and 10 um in the air.

With digital output by USB (UART) and built-in fan. It is a powerful sensor, fast (response less than 10s), accurate and reliable.

This tiny little board features two chips from Maxim Integrated: MAX32664 and MAX30101. The 30101 Oximetry module  is the sensor on board responding for both oximetry and heart rate sesnsing. The MAX32664 is equipped with a Cortex M4 handling algorithimc calculations, digital filtering and automatic gain control. The board comes with I2C and SparkFun has provided to it Qwiic connectors for ease of use.

Low power CO2 sensor MH-Z1311A, the current consumption is only 150-200uA, waterproof and anti-corrosion, high sensitivity, additionally characterised by excellent linear output. It is very popular used for battery monitors and IAQ devices.

1 Channel 5V Relay Module.
This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).
Relay Module 1 Channel 5V 10A features:

- Channel: 1
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- LED indicator
- Dimensions: 30x 54mm

1 Channel Relay Module DC 5V 10A Low/High Trigger for Arduino features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator
- Dimensions: 30x 54mm
- Has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

ZPHS01B is an all-in-one air quality module, which integrates laser dust sensor, infrared CO2 sensor, electrochemical formaldehyde, ozone and carbon monoxide sensors, VOC sensor, NO2 sensor, temperature and humidity sensor.

Relay Module DC 12V 10A 1 Channel Low/High Trigger features:
- Channel: 1 (protected with Optocoupler)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator
- Dimensions: 30x 54mm
- Has a jumper that allows to choose type of trigger signal (low / high)

The DFRobot heart rate monitor sensor (SEN0213) is used to measure the electrical activity of the heart.

Relay Module DC 5V 10A 2 Channel Low/High Trigger features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- It has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

2 Channel Relay Module DC 12V 10A Low/High Trigger for Arduino features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- Has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

EMG Muscle Signal Sensor Signal Electromyography features:
EMG Muscle signal sensor module kit with 6 disposable electrodes The EMG sensor serves as a bridge to detect small electrical pulses product of
muscle activity and transform them into a signal recognizable by Arduino. NOTE: DO NOT USE THIS SENSOR FOR MEDICAL PURPOSES.
Code Examples: https: //github.com/AdvancerTechnologies/MuscleSensorV3

Characteristic:
- Channels: 4 (independent protected by Optocouplers)
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Isolation: Yes
- Indicator LED: For each channel
- Dimensions: 54x 72mm
- 5V Optocoupled 4-Channel Relay Module
- This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)
Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards:
User manual for the remote control + 4-channel 315 MHz IC2262 receiver:
- Relay Module Programming 5V 10A 4 Channel with remote control + 4 channel receiver

Photoelectric sensor standard, reliable assurance of 1 million units per year.

· Industry's top class built-in amplifier

· Guaranteed low-temperature operation that can be used in freezing warehouse

· Improvement of coincidence between optical and mechanical axis.

· Protection of sensor even if wiring mistake occurs output reverse protection function is carried (we add diode for reverse connection protection to output line).

This fingeprint scanner from ADH-Tech combines a highly precise fingerprint sensor module with an onboard MCU and UART interface enabling trivially very connection to any project.

The scanner independently reads and analyses the fingerprint thanks to an MCU algorithm that can send a converted digital signal to a peripheral serial interface for a data read. The onboard MCU algorithm enables operations such as for example a fingerprint enroll.

This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, from the TTL 8 Channel High Trip 5V 10A Relay Module features:
- Channels: 8 (independent protected with Optocouplers)
- Supply Voltage Vcc: 5Vdc
- Output Current: 10A
- High trip min 3.3V input IN1. ..IN8
- Relay activation current: 5 ~ 10mA
- Isolation: Yes
- Indicator LED: For each channel
- Dimensions: 55x 139mm
- Weight: 120g
COM GND jumper input: connects GND optocouplers and GND of the circuit

5V Relay Module with 8 opto-coupled channels.
This module can be directly controlled by the microcontroller ( Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL).
8 Channel Arduino 5V 10A Relay Module features:

- Channels: 8 (independent protected with Optocouplers)
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Isolation: Yes
- LED indicator: For each channel
- Dimensions: 54x 135mm

The Carbon Monoxide sensor is a low-power digital gas sensor which has a CCS811 sensor and an 8-bit microcontroller, contains an analog-digital converter so that it can detect indoor air quality which can detect monoxide carbon (CO) and a wide range of volatile organic compounds (VOCs). It is a sensor designed to monitor air quality inside personal devices such as mobile devices and smart watches, with low power consumption that can be used with battery

This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL, PLC output).
16 Channel Relay Module 12V 10A AVR features:
- Channels: 16 (independent protected with Optocouplers)
- Supply voltage: 12V
- Output Current: 10A
- Relay activation current: 3mA
- Insulation: Yes
- Low shot: 0-2V
- LED indicator: For each channel
- Dimensions: 18x 9x 2cm

This module is a three way switch ( COM, NO and NC ) that uses the intensity of the ambient light to control directly the load at the output. Its adjustment potentiometer allows changing the sensitivity and setting the start threshold of the relay. The relay is energized when it is darker than the threshold.

MH-Z14A NDIR infrared gas module is a small size and common type sensor using the non-dispersive infrared (NDIR) principle to detect the existence of CO2 in air, with good selectivity, non-oxygen dependent and long lifetime.

This module is a three-way switch (COM, NO and NC) that uses the intensity of the ambient light to directly control the output load. Its adjustment potentiometer allows you to change the sensitivity and set the threshold for starting the relay. The relay is energized when it is darker than the threshold.
The optical isolation relay effectively protects the chip and ensures better performance.
This module is used for light detection, brightness detection , control of lamps and automatic equipment. Characteristic: - Channels: 1
- Supply voltage: 12VDC
- Output load capacity: 250V 10A AC / 30V 10A DC
- Relay activation current: & gt; 100mA
- Insulation: Yes
- Indicator LED: Green and Red
- PCB size: 5x2.6 cm / 1.96x1.02 "

This module includes the component BME280 that is translated into a digital signal.
The equipment uses the two I2C and SPI interfaces. The BME280 does not allow the module to be used as an altimeter as opposed to its successor BMP280.
Its 5-pin straight connector allows easy connection to other electronic boards. BME280 Digital Temperature Humidity Barometric Pressure Module 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
- Humidity: 0-100%
- Pressure: 300-1100 hPa
- Resolution of the measures:
- Temperature: 0.01ºC
- Humidity: 0.008%
- Pressure: 0. 18Pa
- Accuracy of the measures:
- Temperature: +/>

The DC-DC 25A solid state relay has a 3-32VDC input and a 6-60VDC output. It has a maximum load capacity of 25A.
It has a long operating life and high reliability, a compact size. This relay switches very quickly. Fotek SSR-25 DD 25A DC-DC Solid State Relay 5V-60VDC output 

Encapsulated with water resistant stainless steel with sensor dimensions 5,5 * 50mm, cable length 10m. DS18B20 Digital Temperature Sensor Probe 10m 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: 10m

The DC-AC 12A solid state relay has a 3-32VDC input and a 24-380VAC output. It has a maximum load capacity of 12A.
It has a long operating life and high reliability, a compact size. This relay switches very quickly. Solid State Relay SSR-25 DA 12A DC-AC Output 24V-380VAC 

The multifunctional relay control module, FRM01, is designed for customers with different synchronization and control needs.
The FRM01 is controlled by the STM8S003F3P6 microcontroller and has 18 different functions.
Each function can be customized to meet customer needs in a variety of time and power control applications.
The FRM01 is equipped with a high-quality power relay, a high-power voltage transistor, red and blue LED indicators, an LED display on a double-sided PCB board.
The output of the board is driven by a high quality power relay capable of controlling the AC and DC loads. Timer Relay Module FRM01 features:
- Operating voltage: 12 VDC
- 4 buttons: SET, SWI, NUM +, NUM-
- Operating temperature: -20 °C - + 60 °C

Ethanol alcohol sensor module.
MQ gas sensor uses a small indoor heater with an electrochemical sensor.
When the alcohol molecules in the air comply with the electrode the ethanol "changes" into acetic acid and then more current is produced.
MQ-3 Alcohol Sensor Module Ethanol Breathalyzer features:
- Main chip: alcohol sensor MQ-3 and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Detection concentration:
- 0.05mg/L - 10mg/L
- Quick response features:
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

This small 10-DOF sensor module GY-91 is more compact than the GY-80 module.
The module uses a unique MPU-9250 chip combination with built-in 3-axis gyroscope, 3-axis accelerometer, digital compass and BMP280 enhanced barometric pressure sensor.
The MPU-9250, delivered in a 3x3x1mm QFN package, is the smallest 9-axis MotionTracking device in the world and incorporates the latest InvenSense design innovations, allowing dramatically reduced chip size and power consumption, while improving the performance and the cost. Enhancements include low-power accelerometer mode support with only 6.4μA of and provides improved 16-bit compass data resolution (0.15 μT per LSB).

Relay 5VDC SPDT 5VDC JQC-3FF for industrial applications, automation and process control and consumer electronics. Relay SPDT JQC-3FF 5VDC-1ZS features:
- Coil voltage: 5 VDC,
- Coil power: 360 mW,
- Switching capability:
 - 10A @ 277 VAC
 - 12A @ 125 VAC
- Operating time: between 5ms and 10ms,
- Plastic sealed and flux proofed types available,
- Environmental friendly product (RoHS compliant),
- Working temperature: -40ºC to 70ºC,
- Outline dimensions: 19.0 x 15.2 x 15.5 mm.

W1209 12V DC Thermostat Digital Temperature Controller Switch features:
- Model: W1209
- Supply voltage: DC 12V
- Temperature control mode: ON / OFF
- Temperature range: -50 -110 ° C
- Resolution: 0.1 ° C range -9.9 ~ 99.9 ° C, above is 1 ° C
- Measurement accuracy: 0.1 ° C
- Refresh rate: 0.5 s
- Temperature protection 0-110 ° C
- Static current: ‰ ¤ 35mA, working current ‰ ¤ 65mA
- Power of output: 10A relay
- Sensor probe: NTC waterproof sensor (10K 0.5%)
- Environmental requirements: -10 ~ 60 ° C Humidity 20% -85%
- Dimensions: 48 x 40 mm

W1209 DC 12V Thermostat + Transparent Box Temperature Controller features:
- Model: W1209
- Supply voltage: DC 12V
- Temperature control mode: ON / OFF
- Temperature range: -50-110 ° C
- Resolution: 0.1 ° C range -9.9 ~ 99.9 ° C, above is 1 ° C
- Measure accuracy: 0.1 ° C
- Refresh rate: 0.5s
- Temperature protection 0-110 ° C
- Static current: ‰ ¤ 35mA, working current ‰ ¤ 65mA
- Output power: 10A relay
- Probe sensor: NTC (10K 0.5%) Waterproof Sensor
- Environmental requirements: -10 ~ 60 ° c Humidity 20% -85%
- Dimensions: 48 x 40mm

Characteristic: - Supply voltage: 4.5V- 5.5V
- Consumption: 30 mA typical
- Analog output
- Range: 10cm to 80cm
- Dimensions: 29x12mm
- Cable length: 20cm GP2Y0A21YK0F Sharp Analog IR distance sensor 10CM-80CM Arduino

The Arduino turbidity sensor SEN0189  detects water quality by measuring turbidity levels. It can detect suspended particles in water by measuring the light transmittance and the scattering coefficient, which changes with the amount of total suspended solids (TTS) in the water.

The Sonoff MINI is a WiFi-controlled universal switch, built with the ESP8266 chip. It works with the voltage of 230V and makes it possible to control any device anywhere in the world. Thanks to its size it is very mobile and fits in most power supplies.

Gravity: SHT1x Temperature & Humidity Sensor (DFR0066) Accurate, durable, highly compatible and easy to use, it has all the attributes that a superior temperature and humidity sensor requires.

SONOFF BasicR2 v2.2 Intelligent Switch offers you perfect intelligence control solutions for your home or workplace.
By using the wireless control of the free "eWeLink" application, it helps simplify your life so easily.
You can check the status of your appliance at any time and in any place, and control it by simply clicking on your smartphone or tablet through APP eWeLink, without limitation of time and distance. WI-FI Intelligent Remote Control Switch Sonoff features:
- Enclosure material: Flame retardant ABS
- Security: WPA / WPA2
- Power supply: 90 - 250V
- Max. Current: 10A
- Max. Power: 2200W,
- Establish schedules for automatic control:
      - It has unique, repetitive and countdown timers that you can use to control the on />

MS01 works with SONOFF TH10/16 to accurately measure soil moisture and send data to your mobile phone. MS01 can regularly water and check soil moisture anytime and anywhere to make your flowers grow healthier. This is an accessory used in SONOFF TH10 / TH16.

Sonoff TH16 is a WiFi-controlled universal switch. It works with the voltage of 230V up to 3500W and makes it possible to control any device anywhere in the world. The module can integrate humidity sensors Si7021 or AM2301 (can be purchased separately) or temperature sensor DS18B20

WiFi Smart Wall Switch Sonoff T1 Gang 86

Smart WiFi RF APP Touch Control Wall Light Switch features:
works with Amazon Alexa,  Google Assistant DIY Smart Home, Nest  via iPhone Android.

Inductive Proximity Sensor PL-05N NPN 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-05N 5mm with NPN output features:
- Manufacturer: Fotek,
- Square Type,
- Sensing distance: 5mm,
- Operating voltage: 10 - 30 VDC,
- Response frequency: 800Hz,
- Output method: NPN, 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,

The BME280 is an environmental sensor (SEN0236) integrating a temperature sensor, a humidity sensor and a barometer. Powered from 3.3 V to 5 V with I2C and SPI interface. Measuring range: temperature: -40 °C to 85 °C, humidity: 0 %RH to 100 %RH, pressure: 300 hPa to 1100 hPa.

Sonoff 4CH is a 4 channel WiFi switch allowing control of 4 devices at the same time. It is a very similar device as Sonoff Basic, nonetheless extending Basic's functionality to more than 1 device. The devices can be controlled either by switches as provided on the 4CH box or by eWeLink application as with any other Sonoff product

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.

POW provides yet another great functionality of measuring power consumption. Remote switch POW R2 works pretty much the same way as Basic just with added functionality of controlling and documenting power consumption. As with all the Sonoff products it works with eWeLink making it pretty much compatible with any larger smart home ecosystem.

The GY-906DCI is a plate-mounted temperature sensor, based on an integrated 3 V infrared thermometer, single zone, medical precision, compensated gradient, within 15 cm the accuracy is high, approximately 0.5 degrees

Sonoff 4CH is a 4 channel WiFi switch allowing control of 4 devices at the same time. It is a very similar device as Sonoff Basic, nonetheless extending Basic's functionality to more than 1 device. The devices can be controlled either by switches as provided on the 4CH box or by eWeLink application as with any other Sonoff product

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-013-050, Non-Invasive 50A AC Current Meter

SONOFF Basic R3 Intelligent Switch offers you perfect intelligence control solutions for your home or workplace. By using the wireless control of the free "eWeLink" application, it helps simplify your life so easily.

Sonoff S26 is the freshest version of an intelligent socket made for EU power standards. It is extremely user friendly - you only need to plug it in your socket and pair with your device and it should run!

M18 Inductive Proximity Sensor features:
- Inductive proximity sensor detection switch LJ18A3-8-Z / BX
- NPN DC6-36V
- A Often used for 3D printer bed leveling
- Cylindrical cable type DC 3 cable type (black, brown, blue)
- Inductive sensor type
- NPN NO (Normal Open )
- Detecting distance 8mm
- DC supply voltage 6-36V
- Current output 300mA
- Response frequency 0.5KHz
- Detects iron / aluminum - Operating temperature -25 ° C to + 70 ° C (Non-freezing condition)
- Head diameter 18 mm
- Size 6.9 x 2cm
- Cable length 90cm

Ideal for projects with ARDUINO, Smart Car
Detects transparent and translucent obstacles
E18-D80NK Infrared Obstacle Avoidance Sensor Module 3-80cm Smart Car features:
- Current consumption: up to 100 mA
- Supply voltage 5V
- Current consumption <25mA
- Response time of 2 ms
- Measured distance: 3-80cm 15st angle
- Screw to adjust the sensitivity, the back
- Output status led indicator
- Operating temperature: -25°C - + 55°C
- Material: high-strength plastic
- Type of output: normally open, NPN
- Dimensions: 18 mm in diameter, Length 45 mm
- Cable length 55cm
- Departures:
      - Brown: +
      - Blue: -
      - Black: OUT

This LED power amplifier with a Sonoff power adapter is designed to extend existing Sonoff LED lighting systems. With this signal amplifier, you have the option to extend your Sonoff LED strip system, as the included power adapter provides sufficient power.

The perfect solution for not worrying about the length required on your RGB LED strip, now with a WiFi driver compatible with the eWeLink APP and voice assistants like Google Home or Alexa. Also includes a 24-key IR remote control.

You will be able to turn on and control your strip lights anytime and anywhere, and control it with just a click on your smart phone or tablet via APP eWeLink, or voice assistants, without time and distance limitations.

Sensor Module ML8511 UV features:
- The module converts the photocurrent into voltage to detect UV intensity
- The analog voltage is proportional to UV light detecting
- The has a power saving mode of up to 0.1uA, suitable for smart portable devices or mobile phones for use
- Power supply: 5V
- Analog output
- Captured wavelength: 280-390nm
- Ultra low power consumption
- Meteorological applications, skincare, industrial UV level measurement
- Dimensions of PCB: 30x22mm

The ZP07-MP503 air quality module offers high sensitivity with low power consumption and long life. Calibration before shipment from 10 seconds to 3 minutes max. with automatic warm-up function. Automatic fault check.

The Sonoff IFan03 is an intelligent controller for ceiling fans with light that allows us to control it intelligently, either by the eWeLink application, by means of 433MHz RF control or by voice assistants such as Alexa or Google Home.

Create your own scenes, turn on the light and/or the fan and adjust its speed, programming it to the hours you want.