Upgraded ct6b TX
Features:
SPI Oled support
Low power consumption (3.6V LiOn battery)
Built in battery and charging module
5 memory for storing model data
2 gimbal stick + 2 pots support
Throttle Cut switch
Dual Rates switch
Normal/ Reverse channels settings
Dual Rates settings (Low, High)
Battery monitor
Code is available here:
https://github.com/Gabapentin/Arduino-RC-6CH-Radio-control
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this is really awesome mod to utilize old radios.