M Marshallj Platinum Member Mar 26, 2003 2,326 0 76 Apr 18, 2003 #26 Originally posted by: Eli You aren't going to be able to run an LED on a 9v without some other circuits to limit voltage/current. Click to expand... He's using a current limiting resistor. To find out what value to use, try this
Originally posted by: Eli You aren't going to be able to run an LED on a 9v without some other circuits to limit voltage/current. Click to expand... He's using a current limiting resistor. To find out what value to use, try this