New WeMos D1 WiFi UNO Based ESP8266 Nodemcu Compatible IDE

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

11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
A Micro USB connection
A power jack, 9-24V power input
Compatible withArduino
Compatible withArduino

Pin Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, max 3.3V input A0
D0 IO GPIO16
D1 IO, SCL GPIO5
D2 IO, SDA GPIO4
D3 IO,Pull-up GPIO0
D4 IO,pull-up, BUILTIN_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

*All IO have interrupt/pwm/I2C/one-wire supported(except D0)Programming:
The D1 has a micro USB for auto programming.
Also you can programming it using OTA
Warnings: All IO is work at 3.3V.

Specification:
Microcontroller:ESP-8266EXOperating
Voltage:3.3V
Digital I/O Pins:11
Analog Input Pins:1
Clock Speed:80MHz/160MHz
FLash:4M bytes
Length:68.6mm
Width:53.4mm
Weight:25g