If you’re looking for a simple way to make an RF transmitter, check out [Tomasz]’s Morse code transmitter. His design uses nothing more than a microcontroller and a 16MHz crystal to transmit CW Morse ...

LaunchPad dev boards from Texas Instruments are cheap and easy to program, making them a great Arduino alternative if you can do without some of the bells and whistles. [ech0s] put his to good use by ...

The wireless transmission is being demonstrated by the simple circuit which can send Morse Code signals over distances of a few meters to any AM radio. The Morse Code signal is considered as a ...

World's Most Power-Efficient, Fully Integrated Transmitter Slashes Battery Power Consumption by 75%, Setting a New Benchmark for IoT and Edge Devices The whitepaper details the breakthrough ...

This could work for any hollow figurine you have collecting dust on your shelves, but due to Android’s open-source nature a little robot is the obvious choice for DIY hackery. The full tutorial is on ...

In this image from the MRHS website, Paul Zell sends the last commercial Morse messages at KFS/KPH (or so it was thought). Several historic Morse Code stations will be on the air again Sunday evening ...