Volkswagen AG Gamma V radio CD changer emulator. Input signal (DATA OUT) is NEC Extended protocol. Output signal (DATA IN, CLOCK) to radio is SPI 62500 baud, MSB, MODE1.
- digitalWriteFast Arduino library
- DATA OUT -> D2 (INT0)
- DATA IN <- MOSI
- CLOCK <- SCK
- Raspberry Pi Pico (W)
- Micropython
- Voltage Level Shifter 3.3V <-> 5V
- Connected through Voltage Level Shifter
- DATA OUT -> GP0
- DATA IN <- SPI0_TX (GP19)
- CLOCK <- SPI0_SCK (GP18)