Using an Arduino Pro Mini, a handful of buttons, and a standard TFT display ... to share some of the work he’d been doing to push the state-of-the-art forward for this promising chip.

Did you know that you can use Arduino to turn on an LED when you press a button? Well, it is true, you can do this! Leaving the joke aside, let me show how you can achieve this. You will need the ...

The multi-function digital gauge ... Inside the base [mrbigbusiness] has an Arduino Nano, a DS1307 RTC connected via I2C, a voltage regulator, and a push button to set the time.