X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 01 Dec 2005 00:12:46 -0500 Message-ID: X-Original-Return-Path: Received: from smtp.perigee.net ([166.82.201.14] verified) by logan.com (CommuniGate Pro SMTP 5.0.2) with ESMTP id 852422 for lml@lancaironline.net; Wed, 30 Nov 2005 20:26:57 -0500 Received-SPF: none receiver=logan.com; client-ip=166.82.201.14; envelope-from=jschroeder@perigee.net Received: from john-study.home_wireless (dsl-208-26-41-113.perigee.net [208.26.41.113]) by smtp.perigee.net (8.12.10/8.12.10) with ESMTP id jB11Q9wQ010061 for ; Wed, 30 Nov 2005 20:26:11 -0500 X-Original-To: "Lancair Mailing List" Subject: Re: [LML] Re: LED Position Lights References: X-Original-Message-ID: X-Original-Date: Wed, 30 Nov 2005 20:26:39 -0500 From: "John Schroeder" Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Opera M2/7.54 (Win32, build 3929) Ed - So something like a Pulse Width Modulator for a motor would work very well here? Thanks for the welcome expansion of knowledge on LED's here on the LML. John On Wed, 30 Nov 2005 16:52:30 -0500, Ed McCauley wrote: > Using a transistor as a simple ON/OFF switch is an effective way to > address controlling the power of LEDS. With this approach there is no > series element (resistor or transistor) that's dropping voltage/power > and wasting energy in the form of heat. --