We are building here a RGB bulb using Red, Green and Blue LEDs, we just need to add a mechanism to control the brightness or intensity of these light individually. To control the brightness, we are using PWM (Pulse width Modulation) method with 555 time IC
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Arduino RGB LED
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In this arduino based project we are going to interface a 5 RGB (Red Green Blue) LEDs with Arduino Uno. These LEDs are connected in parallel for reducing PIN usage of Uno. Check out the complete tutorial here.
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