[SeanHodgins] has a project in mind where he needs to sample over 500 analog sensors. To get ready, he made a breakout board for 32-channel analog multiplexer device he wants to use. He put the ...

Instead of using two resistors, [Technoyaki] decides to build an analog ... just using an Arduino Due, which has a 12-bit A/D converter (almost, because it has a lower reference voltage of 3.3 ...