YO3HJV
Hamradio, Electronics& Stuff
XIEGU G90 Collection
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Full schematics
Block Diagram and Schematic
G90 Faults and mitigation
Reflashing the Bootloader
Audio Amp Gain Mod
Power supply section
SMPS regulators instead of LDO
"COMM LOST" Error
MCU and DB9 reference
External Speaker Mod
Firmware Programming Cable Schematic
High Resolution Pics
Power Output vs Supply Voltage
Front Panel Backlight
ATU issues
ICOM RJ-45 Microphone with G90
Disassembly the Front Panel of G90
VFO encoder selection
On screen voltmeter
Repair Manual by XIEGU
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23 September 2023
XIEGU G90 - FW update problem solution (bricked radio)
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Very often in the latest months the same problem pops out in social media. For other problems I have a dedicated page on my blog but for t...
02 September 2023
PZEM Domoticz script
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Yeah, sometime I forgot where I backup some little things... This is for my own remind... The script code for PZEM integration into Domotic...
23 August 2023
Do you need to test your COM port?
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As a ham or just an amateur electronist, sometimes you might need to test your COM/RS232 serial port. A nice utility freeware is Hercules . ...
3 comments:
31 July 2023
The tale of the two QCX...
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The first one I got it as a present from my friend Dexter, YO3HEX. Came in a lot of envelopes as a kit and, as I am always ready to make so...
30 July 2023
A new QCX
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I finished my second QCX, this time a QCXmini for 20m band. Did some calls today, July 30, 2023 on my vertical Hustler 4BTV. Ridiculous:
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