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  1. S

    "Stuck at home" projects

    Remote controlled shopping trolley with a toilet roll detector
  2. S

    Low-Power Battery Backup Reference Design

    Not a bad effort. Certainly one way of getting the 'longest running thread' award as well. (y)
  3. S

    Low-Power Battery Backup Reference Design

    Old age comes to us all :cry:
  4. S

    Isolated power supplies

    I use this cct for an isolated supply for the lcd volt/current meters. (adjust device for supply volts and maybe require a zener to limit the input supply) Or use a double pole switch with a large electro cap (2200uF or so) to power the meter. You charge the cap with the switch across the...
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