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
Sending data to APRS server directly
Sending data to APRS server directly
Why?
So, as I wait to my ESP8266 modules to arrive from eBay, I took a step forward to understand how to build a simple weather station (Temp and Humidity) and send the data…
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