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Click to Enlarge. If we have a close look at the board we have from right to left: a 12V power jack, SW1 button connected to GPIO0, an ESP8266 module (ESP-12E), D1 user LED, three I2C headers for ...

I wired two buttons connecting an Arduino’s pins 7 and 8 to ground, each with a 10K pull-up resistor. This biases the pin values so that MyOpenLab can read a 1 on those input pins when the ...

This project allows you to control the colors of led lights using an arduino. the colors are sent via the serial port and set to the appropriate pwm values. open the serial monitor in the arduino ide.