Using Elrs configurator choose local folder with downloaded erls and choose DIY 900 MHz device group and device DIY 900 RX PWMP change needed parameters - freq, pass, wifi and etc..
Next build and flash firmware.
HT-CT62 connection diagramm for first flashing (use usb to uart converter 3.3v) -
After flashing - disconnect gnd from gpio 9 - and can using module as erls rx. 200ghz and 100hz 8ch - not working with sx127x modules because not compatible at SF6. Working 100hz, 50hz, 25hz hybrid switches...
After first flashing - can using wifi for next flashing methods..