Arduino UNO Compatible wifi board based on ESP8266EX

SKU
WEMOSD1
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$8.95
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Overview
Arduino UNO Compatible WIFI board based on ESP8266EX

Arduino UNO Compatible WIFI board based on ESP8266EX

Features:

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

  • 1 analog input(3.2V max input)

  • Micro USB connection

  • Power jack, 9-24V power input.

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, 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
All of the IO pins have interrupt/pwm/I2C/one-wire support except D0
All of the IO pins run at 3.3V.