i want to make a dark sensitive sensor to light up 10 5mm blue leds--my supply is 31 volts so i need to know what resistors i need and what kind of relay
another question- i know it probaly can't be done is can i run 10 leds at 3.0 voltage drop-28millamps throught a 12v light/dark circut
another question- i know it probaly can't be done is can i run 10 leds at 3.0 voltage drop-28millamps throught a 12v light/dark circut