The germanium point contact diode, and almost every semiconductor device using germanium, is now obsolete….
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via HACKADAY: The Long Road Towards Reverse Engineering The ESP32 Wi-Fi Driver
Although much of the software that runs on the ESP32 microcontroller is open source, the…
Read morevia HACKADAY: Orange FM Brings Radio to the GameBoy
We’ve all been there. You left your Walkman at home and only have your trusty…
Read morevia HACKADAY: Design Review: USB-C PD Input For Yaesu FRG7700
Today is another board from a friend, [treble], who wants to convert a Yaesu FRG7700 radio to…
Read morevia HACKADAY: Grid Leak Radio Draws the Waves
[Stephen McNamera] found a schematic for a grid leak radio online and decided to…
Read morevia HACKADAY: Passive Diplexer Makes One Antenna Act Like Two
Stay in the amateur radio hobby long enough and you might end up with quite…
Read morevia HACKADAY: Peeking Underground With Giant Flying Antennas
Helicopters are perhaps at their coolest when they’re being used as flying cranes — from…
Read morevia HACKADAY: A Tiny Tuner For The Low Power Ham
Something that all radio amateurs encounter sooner or later is the subject of impedance matching….
Read morevia HACKADAY: Radio Caroline at 60
In the 1960s, if you were a teenager in the United States, a big…
Read morevia HACKADAY: The New Extremely Large Telescopes and The US’ Waning Influence In Astronomy
For many decades, the USA has been at the forefront of astronomy, whether with ground-based…
Read morevia HACKADAY: GitHub Hosts Ham Radio
[Alex R2AUK] has been busy creating version two of a homebrew all-band ham radio transceiver. The…
Read morevia HACKADAY: Spend an Hour in the Virtual Radio Museum
You have an hour to kill, and you like old communication technology. If you happen…
Read morevia HACKADAY: Matchbox Transceiver Pushes the Spy Radio Concept to Its Limits
The Altoids tin has long been the enclosure of choice for those seeking to show…
Read morevia HACKADAY: Ham Radio Paddles Cost Virtually Nothing
If you don’t know Morse code, you probably think of a radio operator using a…
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