[DegrawSt] uses four 50 kg load cells to create a bathroom scale using an Arduino ... usually want to use an amplifier to condition the circuit. [DegrawSt] uses an HX711 chip on a breakout ...

The heart of the stand is a common load cell (the sort of thing you’d find in a digital scale) coupled with a HX711 amplifier board ... the stand’s onboard Arduino does both automatically.