Programming your D1mini ESP8266 in ArduinoIDE:
- use Arduino IDE 1.6.5
- check your aditional board URL from file->preferences
http://arduino.esp8266.com/stable/package_esp8266com_index.json
- check D1 mini board
The actual pins on the board:
| Pin | Function | ESP-8266 Pin |
|---|---|---|
| TX | TXD | TXD |
| RX | RXD | RXD |
| A0 | Analog input, max 3.3V input | A0 |
| D0 | IO | GPIO16 |
| D1 | IO, SCL | GPIO5 |
| D2 | IO, SDA | GPIO4 |
| D3 | IO,Pull-up | GPIO0 |
| D4 | IO,pull-up, BUILTIN_LED | GPIO2 |
| D5 | IO, SCK | GPIO14 |
| D6 | IO, MISO | GPIO12 |
| D7 | IO, MOSI | GPIO13 |
| D8 | IO,pull-down, SS | GPIO15 |
| G | Ground | GND |
| 5V | 5V | – |
| 3V3 | 3.3V | 3.3V |
| RST | Reset | RST |
Pins definition for Arduino (pins_arduino.h):
SDA = 4;
SCL = 5;
SS = 15;
MOSI = 13;
MISO = 12;
SCK = 14;
LED_BUILTIN = 2;
BUILTIN_LED = 2;
A0 = 17;
D0 = 16;
D1 = 5;
D2 = 4;
D3 = 0;
D4 = 2;
D5 = 14;
D6 = 12;
D7 = 13;
D8 = 15;
RX = 3;
TX = 1;
WeMos D1mini ArduinoIDE