HI AGAIN.I NEED TO BUILT A CIRCUIT WITH A POTENTIOMETER AND A LED. THE VOLTAGE I CAN OFFER TO THE CIRCUIT IS 3.8V.I ALSO WANT TO ADD A TRANSISTOR TO FUNCTION AS A SWITCH. THE BASE CURRENT IF THE TRANSISTOR I WOULD LIKE TO TAKE IT FROM THE HANDSFREE SLOT OF THE MOBILE ERICSSON P800.THE WHOLE PROJECT IS FOR THAT MOBILE. i AM NOT SURE IF IT CAN BE DONE. I DO NOT REALLY KNOW ABOUT THE TRANSISTOR AND HOW TO CONNECT IT. ANY TIPS?THANK YOU |