Pressure 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 -

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

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.
Piezoelectric Vibration Sensor for Arduino UNO Rev3 features:
- Working Voltage: 3.3V or 5V
- Working current:

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