Electronics, Ham Radio
Using The QYT KT8900 for an Allstar node
Using The QYT KT8900 for an Allstar node
The Story
A fellow Ham recently bought the QYT KT8900, a small cheap chinese radio. After few months he had no sound at all, not even menu beeps. dead. I decided to…
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Electronics, Ham Radio
Controlling PSU fan
Controlling PSU fan
After my PSU died and released its magic smoke, I got the XP Power JPS250PS12 which can produce 250W (21A @ 12V), and cranked the voltage up to 13.8V using the gray pot. Even on 12V the…
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Electronics, Ham Radio
The CAT is back
The CAT is back
Around a year ago, my chinese CAT cable stopped working. I took my oscilloscope out of the box and tried to find where the problem is. I came to conclusion that the USB to serial chip…
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Ham Radio
Compiling MD380 firmware under windows
The TYT MD380 / Retevis RT3
Compiling MD380 firmware under windows
DISCLAIMER: I’m not responsible to any damage you can do to your device. It’s risky 🙂 You probably heard of the TYT MD380 / Retevis RT3 handheld transceiver, the…
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