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High Res Cap MeterAuthor
Ron P
January 8, 2012


Hi Res Cap Meter
using a Pic 16f628
An easy to use capacitance meter as described by Roman Black on his web site, replicated here by ronee.


   Continue reading. Click here to view the worklog.


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  • At 8 October 2014, 7:19:15 user Kevin Mc Donald wrote:   [reply @ Kevin Mc Donald]
    • Hi Paul,
      what is the chance that you can send me the PCB layout you used... Will save me a lot of work... :)

      Have looked around and found a sweet double sided board, but my meager workshop does not cater for that...

      Nice job and hope to see some new goodies from you soon...


  • At 3 July 2013, 1:51:42 user Ron P wrote:   [reply @ Ron P]
    • Paul,

      Giorgos has done a fantastic tutorial on the PIC, well worth a read

      Failing that a google search on "pic16f628 configuration settings" will bring all you need.

      Ron P


  • At 1 July 2013, 18:19:49 user Paul wrote:   [reply @ Paul]
    • Hi Ron
      i was making this up on a mikroelektronika EasyPic4 Board..
      i have PicKit 3 if you think this is better..
      i am in need of configuration settings for the pic16f628 chip for programming..
      thank you for your time and patience
      much appreciated


  • At 1 July 2013, 15:22:12 user Ron P wrote:   [reply @ Ron P]
    • Hi Paul,

      I used the PICkit 2, v2.61 to program, (using a clone board)

      Hope this helps

      Ron


  • At 29 June 2013, 20:42:00 user Paul wrote:   [reply @ Paul]
    • i have made this up and i am having problems finding settings for programming options, i to am using pic16f628a version, i understand it's low voltage programming option with this..
      please let me know your programming settings, i really would like to finish this project..
      many thanks


  • At 11 October 2012, 8:53:17 user Zhong wrote:   [reply @ Zhong]
    • Hi Ron, I did try but zero cal button does not work ?


  • At 1 October 2012, 21:25:12 user steve wrote:   [reply @ steve]
    • What hardware did you use to program the chip? Ive tried a pic kit 2 and 3 and I'm not having any success :(


  • At 6 March 2012, 7:52:39 user Goce wrote:   [reply @ Goce]
    • I can check 10.000uf whit this esr meter? Thanks for the project :)


  • At 6 February 2012, 0:53:32 user Orides wrote:   [reply @ Orides]
    • Nice work!
      Can we use a 16F628A instead of the older 16F628?


  • At 24 January 2012, 15:01:29 user andee wrote:   [reply @ andee]
    • hex - http://www.romanblack.com/onesec/CapMeter.htm


  • At 23 January 2012, 18:47:14 user Pedro JosÚ wrote:   [reply @ Pedro JosÚ]
    • Hi, thank you for the project. Where are the hex files? I don't find it.


  • At 17 January 2012, 11:30:58 user Panagiotis wrote:   [reply @ Panagiotis]
    • Nice work Ron!!!! Thanks for sharing your project.Also nice work with the pcb exposure and the box you drilled...


  • At 15 January 2012, 8:51:17 user Kammenos wrote:   [reply @ Kammenos]
    • In your video, you measure 2 twisted wires. Those two twisted wires gave me a headache some time ago when i was experimenting with the capacitance touch buttons. I was using a 2-side PCB for sensor connected on the breadboard with 2 twisted wires... According to my calculations, the capacitance had to be very small, but in fact the PIC had a different opinion and measured almost double the expected capacitance. It was the stray capacitance of the 2 twisted wires :)



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