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This mini development board is based on ESP-8266EX chip and is useful for applications that need wireless data transmission.
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This mini development board is based on ESP-8266EX chip and is useful for applications that need wireless data transmission.
It is compatible with Arduino IDE and Node MCU firmware. It features 11 digital input/output pins, all pins supports interrupt/PWM/I2C/one-wire (except D0) and 1 analog input with 3.3 V maximum input.
With this product, you can build innovative projects like you can control lights or appliances in the house.

Worked perfectly.
Love it. Works great. Added it to a 3 outlet + USB wall plug. I took a single relay connected to it.
Great product. Just as described.
Had them up and working with the Arduino IDE in minutes. Programs just like an Arduino! With wifi!
Five Stars
This worked great for driving my 3D printed LED matrix clock.
Great little WiFi board
I love the little board. It shipped quickly and was EXACTLY as described.
Works well
I was able to download firmware and connect this to arduino. Connected to it from my PC.
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