This is a Crowtail series of load cell kits, by using it, you can DIY their own electronic scales, and it is compatible with Arduino, it is also very convenient to use, in your Arduino-compatible project, and it can serve as a good Own role. It uses the HX711 amplifier, HX711 is a precision 24-bit analog-to-digital converter (ADC) designed for weighING scales and industrial control applications to interface directly with a bridge sensor and the measurement range of weight sensor is 0-3000g