Re: [PIC} Spontaneous resets
David C Brown <[email protected]>
| Newsgroups | gmane.comp.hardware.microcontrollers.pic |
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| Message-ID | <CAFo_nNptUHLi77rXfOoQB-sSwKQLuJ4up8JsDFtVFLhJDAA4+w@mail.gmail.com> |
I have the |MCLR pin of the PIC configured as an input so that there is no external reset. The connection between the unit and the display in the house is over copper using CAN bus transceivers. __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: [email protected] SK23 7ND web: www.bings-knowle.co.uk/dcb <http://www.jb.man.ac.uk/~dcb> *Sent from my etch-a-sketch* On Sun, 27 Apr 2025 at 12:26, Jason White <[email protected]> wrote: > I'd guess the unit is interfering with itself when it transmits a response. > If that is the case, typical EMI guidelines apply. > > I'd suppose that your prototype might lack a ground plane, and the reset > line (or something similar) is probably vulnerable to coupling into the > signal produced by your radio transmitter. Moving objects in the near field > affect the amount of coupling (capacitive, etc.). > > -- > Jason White > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > https://mailman.mit.edu/mailman/listinfo/piclist >