• PicŪ Basic


  • An Engineer in Wonderland - A 74HC74 hysteresis mystery

    An Engineer in Wonderland - A 74HC74 hysteresis mystery The development 'lab' has moved to the kitchen table as the workshop is so cold that there is liquid nitrogen sloshing around on the floor. And as my 'scope, Dr Frustration appears to be in the house. For two evenings I have been trying to fault-find a breadboard circuit with only four components that is so trivial I almost didn't try it. And am not even sure I am at the bottom of it yet.

    More...