WeMos® D1 R2 WiFi ESP8266 Development Board Compatible Arduino UNO Program By Arduino IDE

WeMos D1 R2 WiFi ESP8266 Development Board Compatible Arduino UNO Program By Arduino IDE Since 2016.11th.Jan this product will update to a new version, named: WeMos D1 R2. (If you buy it before 2016.11th.Jan the board is still the old version) Since 2016.25th.Jan, We have the new version : WeMos D1 R2 in US warehouse. (If you buy it before 2016.25th.Jan the board is still the old version) The D1 R2 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) 1 analog input(3.3V max input) A Micro USB connection A power jack, 9-24V power input. Compatible withArduino Compatible with nodemcu Getting Started Arduino Getting Started NodeMcu Getting Started 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 68.6mm Width 53.4mm Weight 25g 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 R2 has a micro USB for auto programming. Also you can programming it using OTA Warnings: All IO is work at 3.3V. Package included: 1 x WeMos D1 R2 WiFi ESP8266 Development Board Compatible Arduino UNO Program By Arduino IDE