D1 mini Pro

TOP_IMG

BOTTOM_IMG

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