D1 Mini Pro V3.0 V4.0 NodeMcu 4MB/16MB bytes Lua WIFI Internet of Things Development board 2.4G Antenna

Please note the specifications

  The D1 mini is a mini wifi board based on ESP-8266EX. ESP-12F

  # 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)

  # 1 analog input(3.3V max input)

  # a Micro USB connection

  # Compatible withArduino

  # Compatible with nodemcu

  Technical specs

  ● Microcontroller： ESP-8266EX

  ● Operating Voltage: 3.3V

  ● Digital I/O Pins: 11

  ● Analog Input Pins: 1

  ● Clock Speed: 80MHz/160MHz

  ● FLash: 4M bytes

  ● Length: 34.2mm

  ● Width: 25.6mm

  ● Weight: 10g

  Pin Function ESP-8266 Pin

  TX TXD TXD

  RX RXD RXD

  A0 Analog in(max 3.3V) A0

  D0 IO GPIO16

  D1 IO, SCL GPIO5

  D2 IO, SDA GPIO4

  D3 IO,Pull-up GPIO0

  D4 IO,pull-up,LED GPIO2

  D5 IO, SCK GPIO14

  D6 IO, MISO GPIO12

  D7 IO, MOSI GPIO13

  D8 IO,pull-down, SS GPIO15

  G Gound GND

  5V 5V -

  3V3 3.3V 3.3V

  RST Reset RST

  Programming

  The D1 mini has a micro USB for auto programming.

  Also you can programming it using OTA

  Warnings

  All IO is work at 3.3V.