Connect LED with 220V AC supply using a transformerless power supply. Explained how to make transformerless power supply with calculation.
This is a 12v LED Flasher circuit using RGB LEDs Explained with LED blinker circuit. Supply12v DC at input and connect Multiple LED strips at output.
This is a simple 12v LED dimmable lights circuit using the 555 timer ic. We can control the brightness of this PWM dimmable LED light with a potentiometer.