Blimey, it works. But it is necessary to explicitly enable the RTC clock on start-up. A waste of several valuable bytes of code! B^> Rgds Damon On 1 Apr 2013, at 18:58, Damon Hart-Davis wrote: > Ha, > > I think I've made a jig out to 0.1" successfully, by some miracle! Now to test it with a PICAXE... > > Rgds > > Damon