Learn more about controlling LDR with Arduino here. RGB LED: There are two types of RGB LEDs, one is common cathode type (common negative) and other is common anode type (common positive) type. In CC ...

Open the Arduino software. Connect your ESP8266 board to your computer using a USB cable. Select the correct board and port from the Tools menu.; Open the Arduino code file LED_Button_Interfacing.ino ...

I would recommend first putting the LEDs, buttons, and resistors on the breadboard before connecting all the jumper wires. Also, pay attention to the polarity of the LEDs, otherwise they will not ...

In this project we control direction and speed of a 24v high current motor using Arduino and two relays. No power switches are needed for this circuit, just two push buttons and in Potentiometer to ...