Many of us tried the old “Two tin cans connected by a string” experiment as kids. [Michael Rainey, AA1TJ] never quite forgot it. Back in 2009, he built “El Silbo”, a ham radio transmitter powered ...
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 ...
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 ...
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 ...
The first message sent by Morse code’s dots and dashes across a long distance traveled from Washington, D.C., to Baltimore on Friday, May 24, 1844 – 175 years ago. It signalled the first time in human ...
The first message sent by Morse code’s dots and dashes across a long distance traveled from Washington, D.C., to Baltimore on Friday, May 24, 1844 – 175 years ago. It signaled the first time in human ...
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