This might just fit: http://www.dimensionengineering.com/products/de-sw033 I've used them on a few occasions and had no problems... Not the cheapest o= ut there but very easy to use :) Cheers, Robin. On 25 Dec 2013, at 19:27, "Carl Denk" > wrote: Note the size, trying to fit a 14 x 25 mm area. :( Thanks for the thought. :) On 12/25/13 1:44 PM, David W. McGaffney wrote: Have you searched ebay? Here is a downverter that takes 12v and switches it to 3.3v @3A and it's ony $1.53... http://www.ebay.com/itm/LED-Power-3A-12V-To-5V-3-3V-DC-DC-Converter-Buck-St= ep-down-Module-Voltage-EP98-/131077033676?pt=3DLH_DefaultDomain_0&hash=3Dit= em1e84cccecc Dave -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .