DIY Circuit – Autorange capacitance meter

Here’s a cool little capacitance meter made with PIC16F873A controller, schematic and source also open to public.

Here’s how to make a DIY capacitance meter (it measures capacitors) E=MNC writes – “Finally, I managed to persuade myself to make a really powerful capacitance meter. This is an autoranged version, which means one does not need to adjust the range settings. Furthermore, the measuring range is quite large, from 5pF all the way to 2600uF. It is all taken care of by the PIC16F873A inside the circuit. It is based on a very simple circuit analysis principle of charging and discharging of capacitors in an RC circuit.”

via make

One Response to DIY Circuit – Autorange capacitance meter

  1. Carl says:

    Another interesting project from these people.

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