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 ...

Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator ...

Continue reading “A Simple Liquid Level Indicator With A Single IC” → Posted in classic hacks , Parts Tagged liquid level indicator , transistor , uln2003 , water level indicator Search ...