Pin header is unsolder because it is easy crooked on ship.
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HX711 module that allows you to easily read load cells to measure weight. By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell and with some calibration you’ll be able to get very accurate weight measurements. This can be handy for creating your own industrial scale, process control, or simple presence detection. The HX711 uses a two wire interface (Clock and Data) for communication. Any microcontroller’s GPIO pins should work and numerous libraries have been written making it easy to read data from the HX711.

Feature:

• Power: 2.7v ~ 5v
• Current: < 1.5mA
• Selectable 10SPS or 80SPS output data rate
• Simultaneous 50 and 60Hz supply rejection