ESP8266 WiFi Development Board Based Nodemcu Compatible Arduino UNO R3 (D1 R2 V2.1 Version)

Price:
US$8.61

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Overview and Specifications:

Features:
11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except for D0)
Compatible Nodemcu
1 analog input(3.2V max input)
Micro USB connection
Power jack, 9-24V power input.
Compatible with Arduino
Compatible with nodemcuFeatures

Specification:
Microcontroller:ESP-8266EX
Operating Voltage:3.3V
Digital I/O Pins:11
Analog Input Pins:1(Max input: 3.2V)
Clock Speed:80MHz/160MHz
Flash:4M bytes
Length: 68.6mm
Width:  53.4mm
Weight: 25g

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