MS VISIO. Regards, Jim > -------- Original Message -------- > Subject: [EE] Flow Chart Software needed > From: Dwayne Reid > Date: Tue, July 08, 2014 12:37 pm > To: pic microcontroller discussion list >=20 >=20 > Good day to all. >=20 > I'm revisiting a very old project and need to update a flow chart=20 > that was done a couple of decades ago. There are enough changes that=20 > I'm just going to start from scratch, using the original as a guide. >=20 > I haven't done a flow-chart in a *very* long time. Can anyone=20 > suggest a simple, robust, long-lived product that I might=20 > consider? I prefer to find something that is long-lived, so that I=20 > don't have to relearn a new package from scratch the next time that I=20 > want to use it. >=20 > This particular flow chart is intended to show the internal software=20 > operation of a control system for industrial process ovens that use=20 > catalytic heaters. This is very old technology for us but there are=20 > many hundreds of these control systems still out in use - and we keep=20 > making more. The safety people at a new customer's site want to see=20 > how we do our safety stuff and it's easier to present the software=20 > internals in a flow-chart format than in any other format that I can thin= k of. >=20 > Many thanks! >=20 > dwayne >=20 > --=20 > Dwayne Reid > Trinity Electronics Systems Ltd Edmonton, AB, CANADA > (780) 489-3199 voice (780) 487-6397 fax > www.trinity-electronics.com > Custom Electronics Design and Manufacturing >=20 > --=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 --=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 .