Features
- 11 Digital IO, interrupt/PWM/I2C/one-wire supported(except D0)
- 1 Analog input(3.2V max input)
- A Micro USB connection
- Compatible with MicroPython, Arduino, NodeMCU
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 |
| Analog Input Pins | 1(3.2V Max) |
| Clock Speed | 80/160MHz |
| Flash | 4M Bytes |
| Pin | Function |
| TX | Tx |
| RX | Rx |
| A0 | Analog input, max 3.2V |
| D0 | IO |
| D1 | IO, SCL |
| D2 | IO, SDA |
| D3 | IO, 10k Pull-up |
| D4 | IO, 10k Pull-up, BUILTIN_LED |
| D5 | IO, SCK |
| D6 | IO, MISO |
| D7 | IO, MOSI |
| D8 | IO, 10k Pull-down, SS |
| G | Ground |
| 5V | 5V |
| 3V3 | 3.3V |
| RST | Reset |









