its 4 leds sideways mounted embedded in a plastic diffuser.
low power and directly drivable by the PWM pin
Good idea, thus controlling the brightness. Do you need a capacitor? How would you control the contrast?
its 4 leds sideways mounted embedded in a plastic diffuser.
low power and directly drivable by the PWM pin
Good idea, thus controlling the brightness. Do you need a capacitor? How would you control the contrast?