Whereas a typical scale would then simply show the resulting number on an LCD display, [Mirko] decided to use a moving coil meter driven by the Arduino’s analog output.

Well, we asked for it, and [TV Miller] delivered this hilarious and surprisingly accurate bowel gauge. Between our recent Wiping Your Bum with an Arduino feature and how to Measure Poop for a Bette… ...

Here is a tested Arduino project that uses 3 sensor probes as water level indicator with 3 leds and one LCD display + a simple controller that turns on a motor when the water has reached the desired ...