ESP8266 – Wemos D1 mini pro



Features:
- 11 digital input/output pins
- Interrupt/pwm/I2C/one-wire
- 1 analog input(3.2V max input)
- 16M bytes(128M bit) Flash
- External antenna connector
- Built-in ceramic antenna
- New CP2104 USB-TO-UART IC
- Same size as D1 mini, but more light
Equivalent Pin number / Arduino Digital Pin
| WeMos D1 mini Pin Number | Arduino IDE Pin Number | 
| D0 | 16 | 
| D1 | 5 | 
| D2 | 4 | 
| D3 | 0 | 
| D4 | 2 | 
| D5 | 14 | 
| D6 | 12 | 
| D7 | 13 | 
| D8 | 15 | 
| TX | 1 | 
| RX | 3 | 

