In my experience spdt dip switches are invariably break before make. Indeed make before break switches are not easy to find except in specialist rotary switches. But I tend to use 'jumpers' rather than switches - cheaper, more reliable and longer life __________________________________________ 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 1 April 2017 at 00:13, Denny Esterline wrote: > On Wed, Mar 29, 2017 at 1:10 AM, David C Brown wrote= : > > > Are there any (non financial problems) associated with using a change > over > > switch, so the pin is connected to either Gnd or Vcc? > > > The other issue I did not see addressed from this question is "break befo= re > make" vs "make before break". In this context a make before break switch > will short the power rails for a short time - likely leading to other > issues. > -- > 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 .