Here is a tested Arduino project that uses 3 sensor probes as water level indicator ... You can use only the leds if you want, the lcd is optional. The Arduino sketch code is pretty simple even though ...

Instead, [Ivan] decided to drive it directly from an Arduino Uno ... RAM and flash. The code is available on Github. If you need inspiration for your own controllerless LCD driver.

The next stage was to create the Arduino code which I created by modifying code already available from the website to record mph rather than m/s and added extra code to support the 16×2 LCD display.

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD ...

It will also provide experience with advanced usage of the 16x2 LCD screen and its scrolling capabilities. Finally, it incorporates using the joystick with the Arduino. The presentation material and ...