This HX711 module uses 24 high precision A/D converter chip hx711. It is a specially designed for the high precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier.
The input circuit can be configured to provide a bridge voltage electrical bridge (such as pressure, weight) sensor model is an ideal high-precision, low-cost sampling front-end module.
You need to connect load cell wtih HX711 module like this, Red to E+, Black to E-, Green to A+, White to A-.
Two selectable differential input channels.
Suitable for arduino and raspberry pi.
Specifications for HX711
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.
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 <1uA.
Operation supply voltage range: 2.6 ~ 5.5V.
Operation temperature range: -40 ~ +85℃.
PCB Size: 35mmx20mm
Specifications for Weight Sensor
Four leads, easy to use.
5-10V drive voltage applied, the force is directly output as a voltage change signal.
Dimensions: 13.5mm * 13.5mm * 81mm.
Sensor through the screw hole at one end fixed and the other end to keep floating state, applying gravity following the direction indicated by label.
Particular attention must not directly push the white plastic cover part, so as not to damage the sensor.
Red to E+
Black to E-
Green to A+
White to A-
1 x Weight Sensor
1 x HX711 Module