The HX711 is a high-precision, 24-bit analog-to-digital converter (ADC) designed specifically for weigh scales and industrial control applications to interface directly with a bridge sensor.Key Specifications

• Resolution: 24-bit delta-sigma ADC.
• Channels: Two selectable differential inputs.
• Gain Options: 32, 64, or 128 for Channel A; 64 for Channel B.
• Data Rate: Selectable 10 SPS (samples per second) or 80 SPS.
• Voltage: 2.6V to 5.5V supply range.

Pinout Configuration

• VCC / VDD: Power supply input.
• GND: Ground connection.
• DT (DATA): Serial data output pin.
• SCK (CLOCK): Serial clock input pin.
• E+ / E-: Load cell excitation power.
• A+ / A-: Channel A differential input.
• B+ / B-: Channel B differential input.

Common Uses

• Electronic Scales: Kitchen, luggage, and retail scales.
• Industrial Automation: Material tank level measurement.
• Smart Agriculture: Automated livestock weighing platforms.
• DIY Electronics: Arduino and Raspberry Pi weight-sensing projects.