“Arduino Self-Timer” project presented here is a low-component count 60 seconds countdown timer. It can be powered from a 9V compact battery or suitable Arduino AC mains adaptor. Working of the ...

Posted in Arduino Hacks, classic hacks Tagged Arduino Uno, phone ringer, rotary phone ← The Tragic Story Of The Ill-Fated Supergun Keebin’ With Kristina: The One With The Auto Harp Typewriter → ...

Raspberry Pi programmable timer “To make things more interesting, you can modify the provided source code, and re-program the Ninja Counter itself using an external Arduino Uno! It includes a ...

You have a timer and clock in just about every single device out there these days, but if you want to build you own, Instructables user GeraldF6 shows you how to do so with a Arduino.

Posted in Medical Hacks Tagged animated, arduino, countdown, handwash, hygiene, led, matric, neopixel, proximity, timer ← A 555 And A Lighter Make High Voltage Baby Keyboard Is Really Three ...