[sdiy] Need goog working rotary encoder in C code..
brazil.v at gmail.com
Fri Aug 6 19:12:00 CEST 2021
I also use no caps. 1k resistors.
de vírus. www.avast.com
On Fri, Aug 6, 2021 at 2:04 PM Mike Bryant <mbryant at futurehorizons.com>
> I use 300 Ohms pullup to 3.3V and no caps. There is still a short bounce
> period but after that the strong current flow keeps it clean and most
> scanning code works. For interrupt driven you’ll probably need to disable
> the interrupts for a short time.
> *From:* Synth-diy [mailto:synth-diy-bounces at synth-diy.org] *On Behalf Of *Jean-Pierre
> *Sent:* 06 August 2021 16:47
> *To:* 'SDIY'
> *Subject:* [sdiy] Need goog working rotary encoder in C code..
> Hi everybody.
> I’m doing some tests on a rotary encoder and a PIC16F1783.
> A standard Bourns encoder like THIS
> Connected using 2 x 10k pullups with 0.01uf caps to ground
> to PORTB of the micro. Interrupt calls (falling edges) used on encoder
> pins A & B.
> I struggled so far to get clean increments/decrements out of it.
> Many missing counts occur..
> I tried many source codes on the web with no luck..
> Is there anybody who’d have worked on this in the past
> and have a working c code ?
> No ARDIUNO please.
> Thanks !
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