Description
LOLIN D1 mini v3.1.0
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A mini wifi board with 4MB flash based on ESP-8266EX. [Buy it]
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
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 | 4M Bytes |
| Size | 34.2*25.6mm |
| Weight | 3g |
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.
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