Wemos D1 R2 Uno ESP8266 WiFi Development Board

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Wemos D1 R2 Uno ESP8266 WiFi Development Board
This Wemos D1 R2 Uno ESP8266 WiFi Development Board is a mini wifi board based on ESPN-8266EX.

SKU: OTH526245655002,WUM537042517125

Price: 5.32 $

Old Price: 7.39 $

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This Wemos D1 R2 Uno ESP8266 WiFi Development Board is a mini wifi board based on ESPN-8266EX. Suitable for your electronic projects. 

Specifications

  • 1 pin Digital Input / Output (all pins have interruptions / PWM / I2C besides D0)
  • Micro USB
  • Compatible with Arduino
  • Scheduling for USB
  • Microprocessor: ESP - 8266EX
  • Voltage: 3.3 V
  • Nr. pin / input / output 11 pin
  • One Input Pin (3.2 V max)
  • Frequency: 80 MHz / 160 MHz
  • Flash Memory: 4 Mb
  • Dimensions: 68.6 mm x 53.4 mm
  • Weight: 25 grams
  • All terminal input / output operating at 3.3 V
Pine Function ESP-8266 Pin
TX TXD TXD
RX RXD RXD
A0 Analog input, 3.3V max input 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