:: My project is straight forward: I want to make a :: powered ventilation system for my attic (i.e. turn a fan off and on :: based on temperature, and display the status to a user) There is a temperature based switch project with LCD display on my website,= =20 in 'C' using a 16F873 - code is downloadable for perusal. There is a much newer and more sophisticated version available Colin -- cdb, colin@btech-online.co.uk on 12/08/2010 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.1and1.co.uk/?k_id=3D7988359 =20 =20 =20 =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .