D1 mini Pro¶
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A mini wifi board with 16MB flash, external antenna connector and built-in ceramic antenna based on ESP-8266EX. [Buy it]
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 PCB antenna
- Lithium battery interface, 500mA Max charging current
- LOLIN I2C Port
- Compatible with Arduino, MicroPython, NodeMCU
- Default firmware: lastest MicroPython
Tutorials¶
Documentation¶
Technical specs¶
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 |
| Analog Input Pins | 1(3.2V Max) |
| Clock Speed | 80/160MHz |
| Flash | 16M Bytes |
| Size | 48*25.4mm |
| Weight | 4.5g |
Pin¶
| Pin | Function | ESP-8266 Pin |
|---|---|---|
| TX | TXD | TXD |
| RX | RXD | RXD |
| A0 | Analog input, max 3.2V | A0 |
| D0 | IO | GPIO16 |
| D1 | IO, SCL | GPIO5 |
| D2 | IO, SDA | GPIO4 |
| D3 | IO, 10k Pull-up | GPIO0 |
| D4 | IO, 10k Pull-up, BUILTIN_LED | GPIO2 |
| D5 | IO, SCK | GPIO14 |
| D6 | IO, MISO | GPIO12 |
| D7 | IO, MOSI | GPIO13 |
| D8 | IO, 10k Pull-down, SS | GPIO15 |
| G | Ground | GND |
| 5V | 5V | - |
| 3V3 | 3.3V | 3.3V |
| RST | Reset | RST |
Note
All of the IO pins run at 3.3V.
Version¶
- V2.0.0 (current version)
- V1.1.0
- V1.0.0