Schematic of Arduino PWM LED Controller Circuit. Advertisement. ... //Blue LED control // PWM outputs connected to LED driver circuits const int drivePin1 = 9;//Red LED drive ... If you want to see ...

Arraying LEDs and picking a driver IC. For this example design, 100 LEDs will be used and each dissipates 1W. An intermediate DC bus of 48V is a good choice because off-the-shelf AC-DC power supplies ...

Carefully follow the hookup diagram to complete your hardware,and then upload the sketch to Arduino using the Arduino IDE as usual. The finished circuit can display numbers ranging from 0 through 1023 ...

An LED-driver reference design for an LED replacement of 100W incandescent bulbs has been introduced by Power Integrations, writes Richard WIlson. Dubbed DER-322, the circuit is desigend to fit neat ...