“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 ...

Here are four Arduino-based projects: a Newt Scamander Briefcase, an Automotive Speed Trap, an Archery Balloon Target, and a Music Practice Timer. Here are four Arduino-based projects: a Newt ...