DIY

Make your Lab Power Supply to log values
Well, I had a spare INA219 module and an ESP32 board and I said to myself, why don’t I made something to keep track for the current consumption of…
 • YO3HJV
Yet Another Yaesu ATAS‑120 Controller: Safer, Smarter, Radio‑Agnostic
The Yaesu ATAS‑120 is a compact HF mobile antenna that mechanically tunes across 7–50 MHz by driving a motor to change inductance.
Arduino PeP PWR/SWR Analog meter
Yet another PWR/SWR meter... Now, with a retro flavour
 • YO3HJV
External Control Unit for LAB599 TX500MP
TX-500MP (ManPack) is an excellent compact radio made by Lab599. Still, I felt the need for some comfort. Being a "brave ham", I start tinkering with…
 • YO3HJV
Transmițătorul DSB „El Silbo” - AA1TJ
Michael Rainey, cunoscut sub indicativul AA1TJ, este un cunoscut operator radioamator american, inginer și pasionat de homebrew minimalist.
 • YO3HJV
Arduino Based Repeater Controller
A request from a fellow ham made me revisit an old project, and Arduino based repeater controller.
 • YO3HJV
Portable GPS barometer UTC Clock
Often, in portable I have to use the phone to check for Maidenhead QTH Locator and UTC for logging purposes.
 • YO3HJV
QCX CW
YO3HEX, Dexter gave me a nice present!
 • YO3HJV
Xiegu G90 replacing 5V LDO with SMPS
Owners of Xiegu G90 knows the radio can get pretty hot just on receiving.
 • YO3HJV
Arduino PTT Sequencer for Xiegu G90
ATTENTION!!!
 • YO3HJV
Simple QRO sequencer for Xiegu G90
I saw some XPA-125 destroyed and I heard about few Xiegu radios with PA burned due to "hot switching".
 • YO3HJV
Software defined lab power supply
Sometimes in the lab there is need to monitor the power parameters during some period of time and put it on a nice graph.
 • YO3HJV
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