Electronics
ESP32 Internet Radio
ESP32 Radio
Why using internet radio?
Not long ago we replaced the light in the kitchen to new LED lamp. On the next morning we discovered that the LED driver is creating a lot of noise and blocking the commercial…
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Electronics
TS100 Soldering Iron Review
TS100 Soldering Iron Review
I’ve been looking for new soldering iron for a while. I don’t solder a lot but I wanted to buy something that is reliable than my old one which has no station or temperature control. I…
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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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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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