But if you move the anode side, without moving the cathode, the diode is no longer in reverse parallel with the LED. For tat matter, it wouldn't be parallel with the LED at all. Wouldn't that defeat the purpose of putting it in the circuit? ATM --- Olin Lathrop wrote: > I would move the anode of the 1N4001 to the > capacitor side of the resistor > instead of the LED side and make it a 1N4004. This > will result in a bit > higher efficiency. __________________________________________________ Do You Yahoo!? Listen to your Yahoo! Mail messages from any phone. http://phone.yahoo.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body