We took a digital scale from Target and hooked it up to an amplifier and a microcontroller. This video outlines taking apart the scale, wiring it to the amplifier, and the code, as well as an overview of the concepts behind strain gauges and Wheatstone bridges. There's a demo of two live scale apps written in Python near the end of the video. For the source code or more information about our microcontroller kits, go to www.nerdkits.com
Tags: digital, scale, bathroom, weight, force, sensor, strain, gauge, load, cell, amplifier, analog, differential, wheatstone, bridge, avr, nerdkits
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