HX711 24bit A/D Conversion Load Cell Amplifier Board A compact, resolution amplifier and analog to digital converter designed for precise weight measurement with strain gauge load cells. The module converts small differential signals from load cells into stable digital output for microcontrollers and single board computers. Key benefits resolution and stable readings: 24bit A/D conversion provides fine measurement granularity for weighing applications and force sensing. Simple integration: Digital DOUT and PD_SCK signals connect directly to common microcontrollers, making setup and data collection straightforward. Flexible compatibility: Works with common 3.3V and 5V logic systems, allowing use with Arduino, Raspberry Pi, ESP32, and similar controllers. Noise reduction and selectable gain: Builtin lownoise amplifier and selectable channel gain improve signal quality from lowlevel load cells and help reduce drift. Compact and durable: Small PCB format and standard header pins save space in prototypes and finished products. Main features and specifications 24bit analog to digital conversion for resolution weight data. Two input channels with selectable gain options to accommodate various load cell sensitivities. Digital serial interface using DOUT and PD_SCK pins for easy communication with microcontrollers. Switchable data rates for applications that prefer slower stable readings or faster updates. Standard PCB construction with soldered SMT components and 2.54 mm header compatibility for breadboard or custom wiring. Low power consumption suitable for battery operated devices and embedded systems. Compatibility and usage notes Designed to interface with most 4wire and 6wire strain gauge load cells. Compatible with 3.3V and 5V microcontroller logic levels; verify wiring and power connections before powering the module. Typical connections include load cell excitation to the module inputs and DOUT/PD_SCK to two digital pins on the controller. Practical applications Kitchen, postal, and retail scales where accurate weight readings matter for transactions or packing. Industrial monitoring and process control using load cells to measure force, tension, or material weight. DIY and robotics projects such as gripper force sensing, automated feeders, or custom measurement instruments. What you get A readytouse HX711 24bit A/D conversion amplifier board suitable for connecting to standard load cells and microcontrollers for precise weight sensing and data acquisition. This module provides a reliable and compact solution for converting lowlevel load cell signals into resolution digital data for a wide range of weighing and force measurement projects.