Thank you, and I will watch it carefully, but I hope it doesn't say that re= ally the flow of electrons goes from negative to positive. (Which of course= they do). I don't think I could handle that if it would it mean that I ne= ed to read a circuit from the other way round. Please don't answer that. :-) Lindy ________________________________________ From: piclist-bounces@mit.edu on behalf of James = Cameron Sent: 16 March 2015 21:39 To: Microcontroller discussion list - Public. Subject: Re: [OT] Volts, amps, resistance (again) You might also try this video from Khan Academy. https://www.khanacademy.org/science/physics/electricity-and-magnetism/v/cir= cuits-part-1 The preceeding videos in the "Electricity and magnetism" topic may also be useful. -- James Cameron http://quozl.linux.org.au/ -- --=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 .