Hx711 escala de pesaje de hasta 5kg

Especificaciones

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 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.