D1 mini Lite

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A simple wifi board with 1MB flash based on ESP-8285. [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

  • 1M Bytes FLASH inside

  • 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

1M Bytes

Size

34.2*25.6mm

Weight

5g

Pin

Pin

Function

ESP-8285 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.