LOLIN D1 mini

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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

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.

Version

  • V3.1.0(current)
  • V3.0.0
  • V2.3.0
  • V2.2.0