Much to the chagrin of hardware tinkerers, the Raspberry Pi doesn’t have analog inputs on its GPIO pins. Sure, you can blink a LED with just a few console commands, but reading sensors with a… ...

On a digital thermometer you just flick the ... it’s tempting to just use an analog input on an Arduino and take care of conversions ... 28 thoughts on “ Convert Temperatures The Analog Way ” ...

Using the analog converter input function of a compact microcontroller’s input pins to read ternary logic encoding allows two pins to sense as many as nine configuration states. Using the analog ...