Modifications
- All optional hardware connections
- ExpressLRS/Crossfire
- Adjustable backlight level
- DFPlayer
- FlySky FS-HZCZ03-ADJ Gimbal
| PCB Pad | Function |
|---|---|
TX2 |
S.Port (CRSF) - required to connect ExpressLRS/Crossfire module |
PA9 |
AUX Serial port TX - Telemetry mirror |
PA10 |
AUX Serial port RX - SBUS Trainer |
PA15 |
USB connection detection |
PC13 |
External module power control (was PC9 up to OpenI6X 1.5.0) |
PC9+BL
|
Wiring those together allows for adjustable backlight |
Connection:
TX2 <----> S.Port
GND <----> GND
ExpressLRS elrsV3.lua equivalent is build in, no need to copy it to the radio. It can be used to configure both ExpressLRS and Crossfire modules.
Adjust port baudrate by going to: Radio Settings -> Hardware. Test available speeds and see which one works with your module.
Wire PC9 and BL pads together.
Connection:
TX4 <----> DFPlayer RX
PC14 <----> DFPlayer BUSY
GND <----> GND
Requires copying soundpack files directly to SDCard root catalog sorted by filenames order. Copying order is important! You can add 9 custom sounds under names:
0272_custm1.wav
0273_custm2.wav
0274_custm3.wav
0275_custm4.wav
0276_custm5.wav
0277_custm6.wav
0278_custm7.wav
0279_custm8.wav
0280_custm9.wav
Tested DFPlayers:
- AB22A795251 - OK,
- GD3200D - OK,
- MH2024K-24SS - laggy, about 650ms delay, cannot keep up with timer count down, not recommended,
Connection:
PC11 <----> Gimbal TX
GND <----> GND
See also: https://github.com/EdgeTX/edgetx/wiki/Flysky-Hall-Sticks-Mod