You can still get moving-needle meters off the shelf if you desire that old school look in one of you projects. However, if you want a more flexible and modern solution, you could use round ...

In this session, you'll assemble a multiple electronic circuits around an Arduino microcontroller including lights and sensors. You'll learn how to tell such a microcontroller what you want it to do!

This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs. This library is free ...