Bosch BME280 Sensor BME280 > ESP8266 SDA/SDI > D4 (2) SCL/SCK > D3 (0) GND > GND VCC > 3,3V Wire.begin(D4,D3); or Wire.begin(2,0);
Waveshare ePaper ePaper > ESP8266 BUSY (lila) > D2 (4) RST (weiß) > D6 (12) DC (grün) > D0 (16) CS (orange) > D1 (5) CLK (gelb) > D5 (14) DIN (blau) > D7 (13) GND (schwarz) > GND VCC (rot) > 3,3V #if defined(ESP8266) GxIO_Class io(SPI, /*CS=D8*/ 5, /*DC=D3*/ 16, /*RST=D4*/ 12); GxEPD_Class display(io, /*RST=D4*/12, /*BUSY=D2*/ 4); // #endif
Waveshare 2.9 inch Black and White
And works even fine with Wemos D1 mini in exact the same pinout.