I don't think that super caps meet my retro criterion. Components that were avaialable in 1978 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* On Tue, 30 Oct 2018 at 19:07, Harold Hallikainen wrote: > > > > > And on further reflection it might be simpler to use a non rechargeable > > battery. A good PP9 will supply about 400mAH which will cover a lot of > > short outages. > > If you don't power the display, will a supercap hold you over during > outages? > > Harold > > -- > FCC Rules Updated Daily at http://www.hallikainen.com > Not sent from an iPhone. > -- > 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 .