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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10 May 2020
HF Arduino Beacon project
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I plan to make an Arduino CW beacon. This are the features I was thinking of: -Connected to ICOM IC-7100 via CI-V serial interface; -C...
05 May 2020
MFJ-5124I cable schematic
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Pin 1 (Key) connects to the Tip of 3.5 mm Stereo Phone Plug. Pin 2 (Start) connects to the Ring of 3.5 mm Stereo Phone Plug. Pin 3 (+13.8V) ...
27 April 2020
K3NG keyer error with DL2SBA bankswitch mod
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I decided that I have to make another K3NG keyer, this time full featured in order to test some things. Therefore, I started to make it ...
10 April 2020
CW and Voice memory keyer for ICOM IC-7300
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After a long time I decided to came back to CW. Just for fun and to use the Pandemia holiday I thought will be interesting to have a lit...
1 comment:
08 April 2020
Triggering preset Voice memories and CW Memories on IC-7300
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1. Voice memory M1 - M8 The PC send to the radio the following: $FE $FE $to $from $28 $00 $## $FD ## - Memory Location 2. CW Memory M1...
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