SPECIFICATION
Scale Load Cell Sensor:
- Rated Load: 5KG.
- Size: 80x12.7x12.7mm.
- Power input: Red+, Black-.
- Signal ouput: Blue/Green+, White-.
- Output sensitivity mv/v: 1.2±0.2.
- Temperature effect on sensitivity %.f.s °C: 0.003.
- Temperature effect on zero %.f.s °C: 0.02.
- Input resistance. O: 1066±20.
- Output resistance. O: 1000±10.
- Insulation resistance. MO: 2000
- Recommended excitation voltage: 5V.
- Maximum excitation voltage: 10V.
- Operating temperature range °C: -20 ~ +65.
- Safe overload %.f.s: 120.
- Ulitimate overload %.f.s: 150.
HX711 AD Module:
BHX711 is a precision 24-bit analog-to-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensor.
- Two selectable differential input channels.
- On-chip active low noise PGA with selectable gain of 32, 64 and 128.
- On-chip power supply regulator for load-cell and ADC analog power supply.
- On-chip oscillator requiring no external component with optional external crystal.
- On-chip power-on-reset.
- Simple digital control and serial interface: pin-driven controls, no programming needed.
- Selectable 10SPS or 80SPS output data rate.
- Simultaneous 50 and 60Hz supply rejection.
- Current consumption including on-chip analog power supply regulator: normal operation < 1.5mA, power down < 1µA.
- Operation supply voltage range: 2.6 ~ 5.5V.
- Operation temperature range: -40 ~ +85 °C.
- 16 pin SOP-16 package.
Wiring:
- E+: Red wire of the scale load cell
- E-: Black wire of the scale load cell
- A+: Green wire of the scale load cell
- A-: White wire of the scale load cell
- GND: GND
- VCC: +5V
- DT (Data output): CPU_IO, to MCU.
- SCK (Serial clock input): CUP_IO, from MCU.
WHAT'S IN THE PACKAGE
- 1x Scale load cell sensor
- 1x HX711 AD module