This project uses two Arduino to communicate with each other using light by means of Morse Code. As a more advanced project, it has some complex array usage and investigates converting switch inputs ...

Posted in Radio Hacks Tagged arduino, cq, keyer, morse code, servo, straight key ← Building A Rather Rudimentary Arduino Tank Bot Turning A Raspberry Pi Into An SNES → ...

The company still bears the name of that project: Digi-Key. This week’s Hacklet is all about some of the best Morse code projects on Hackaday.io!