Switch serial pins on ESP8266 to D6, D7

thgeorgiou · thgeorgiou · commit aa9643bc8faf · 2017-11-14T16:40:08.000+02:00
D8 is used to control the boot process so flashing the board when the sensor is connected becomes difficult
diff --git a/src/hackair.h b/src/hackair.h
@@ -32,8 +32,8 @@
 
 // Shield pins
 #ifdef ESP8266
-#define PIN_SERIAL_TX D7
-#define PIN_SERIAL_RX D8
+#define PIN_SERIAL_TX D6
+#define PIN_SERIAL_RX D7
 #else
 #define PIN_SERIAL_TX 7
 #define PIN_SERIAL_RX 8
