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Inspired by the popular Amazon dash button I have created my own version of dash button. Its tiny, portable and consumes less power. the size of this board is almost the same as ESP12E module which is the heart of the project. Along with that It has a button for input, obviously! and a WS2812B RGB addressable LED for output.

The button is connected to pin 16 of the microcontroller and the RGB LED is connected to pin 5