Description

Specification Details
Controller IC HX711
ADC Resolution 24-bit
Sensor Compatibility Wheatstone-bridge load cells
Supply Voltage IC regulator supply: 2.7–5.5 V; verify module rating
Input Channels Two selectable differential channels
Channel A Gain 64 or 128
Channel B Gain Fixed at 32
Sampling Rate 10 or 80 samples/second; board configuration determines selection
Input Range Approximately ±20 mV at gain 128 with 5 V analogue supply
Digital Interface Two-wire clock/data interface using DT and SCK
Power/Data Pins VCC, GND, DT/DOUT, SCK
Load Cell Terminals E+, E−, A+, A−; B+, B− for second channel
IC Operating Temperature −40°C to +85°C
Applications Digital scales, weight monitoring and dispensing systems