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 project, it can serve as a good Own role. It uses the HX711 amplifier, HX711 is a precision 24-bit analogto-digital converter (ADC) designed for weigh scales and industrial control applications to interface directly with a bridge sensorand the measurement range of weight sensor is 0-3000g