Load Cell Bathroom Scale
50kg load cell this load sensor sometimes called a strain gauge is the same one found in digital bathroom scales you know the ones you use in january for your new year s resolutions and then forget about a month later.
Load cell bathroom scale. Degraw 5kg load cell and hx711 combo pack kit load cell amplifier adc weight sensor for arduino scale everything needed for accurate force measurement onyehn 4pcs 50kg human scale load cell resistance half bridge amplifier strain weight sensor with 1pcs hx711 ad weight module for arduino diy electronic scale. Arduino bathroom scale with 50 kg load cells and hx711 amplifier. An update to the previous 50kg bathroom scale load cells tutorial. I ve wired them as if they were each 1 2 wheatstone bridge using the red wires as the signal with back vss white vdd 3 3v.
Endgroup dave tweed mar 7 14 at 16 45. Load cell usage load cell using 3 wire load sensor https. Therefore four load cells are used and their outputs are summed appropriately. This gives me two opposing wheatstones.
The total weight on a bathroom scale is the sum of the weights on each support which are not necessarily equal and four supports are used for maximum stability when stepping on or off the scale. Arduino this design uses a standard arduino uno other arduino versions or clones should work also hx711 on breakout boa. Next we will explore calibration and test the load cell as a weighing scale. Three wire load sensors from a bathroom scale.
Whereas analog scales use springs to indicate the weight of an object digital scales convert the force of a weight to an electric signal. This instructable describes how to make a weighing scale using readily available off the shelf parts materials needed.