WeMos D1 mini NodeMcu Lua WIFI arduino IOT based on ESP8266

Detail WeMos D1 mini NodeMcu Lua WIFI arduino IOT based on ESP8266

1. Use BRT (Bias Resistor Transistor), easier into flash mode.
2. 30% increase in radiating area, more stable.

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.

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