See link in first post...
https://github.com/DD4WH/Teensy-DCF77/wiki
https://github.com/DD4WH/Teensy-DCF77/wiki
The fact is that I have a slightly different display. In order to connect it correctly, I need to first understand the exact trace between the processor and the display from the author. Unfortunately, not all conductors and their connection points are visible in the photo and video. I would not like to burn equipment.
As for the bundle of the audio board and the processor, if you understand correctly, the processor is connected by all pins to the audio board.
Well, the fact that the output of the receiver goes to the microphone input is understandable.
#define TFT_DC 20
#define TFT_CS 21
#define TFT_RST 32 // 255 = unused. connect to 3.3V
#define TFT_MOSI 7
#define TFT_SCLK 14
#define TFT_MISO 12
ILI9341_t3 tft = ILI9341_t3(TFT_CS, TFT_DC, TFT_RST, TFT_MOSI, TFT_SCLK, TFT_MISO);