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

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