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Recent Forum Posts

Re: Help with Pololu DRV8711 Stepper Motor Driver

Well, While that was a problem, it was not THE problem. Still no movement. I tried both mode 1 and mode 0 for the SHIFTOUT methods, also, to no avail.
Here is a snip of the circuit board design...
Atom058 Today, 00:23

Re: Help with Pololu DRV8711 Stepper Motor Driver

THANKS! Good catch and yes, I feel stupid. I will give this a try and let you know if that was it! Jeff
Atom058 Yesterday, 20:52

Re: Help with Pololu DRV8711 Stepper Motor Driver

Looks like you're shifting out $1180 divided by 16, truncated to 8 bits, so $22. That's not what you want, is it?

Be careful with / vs \ ;-)
HenrikOlsson Yesterday, 20:49

Re: 64 pin 18F series MCU, which operates from 5V and has same pinout as 16F series?

Likely no direct drop-in with those exact specs. Consider lower speed, external clock, or other PIC families (needs PCB change).
WonderNom Yesterday, 10:35

Help with Pololu DRV8711 Stepper Motor Driver

Hello - I am trying to write a simple program to run a stepper motor back and forth using the Pololu DRV8711 driver (Link: https://www.pololu.com/product/3730). In order to use the driver, you must...
Atom058 - 12th May 2025, 22:04

64 pin 18F series MCU, which operates from 5V and has same pinout as 16F series?

Hello.
I really do not know in which part of forum to ask, so move this topic according to your decision.

I have the following issue. I have PCB designed for 16F1947 chip, in 64 pin package....
CuriousOne - 11th May 2025, 05:25

Re: CAN header and EXT asm question

I played with the MCP25625 (CAN controler and driver) using the SPI peripheral on the 18F57Q53 a while back (just looked, turns out it's 4 years ago now, bloody hell...).
My intention was to make a...
HenrikOlsson - 9th May 2025, 16:24

Re: CAN header and EXT asm question

Very useful info that are posted in this thread, but I am afraid that CAN topic is not very popular!

Thanks anyway for your kindness to share your experience.

Ioannis
Ioannis - 9th May 2025, 13:56

Re: CAN header and EXT asm question

Anyone got anything else to add/share please??
I bared my feeble CAN soul, now it's your turn.
retepsnikrep - 9th May 2025, 06:30

Re: CAN header and EXT asm question

Watch out for the slew rate control bit in PICS.
It defaults to on in the PIC18F26K80!

This screwed me for hours as the SPI just kept falling over above 1mhz.
Not enough drive power for the...
retepsnikrep - 7th May 2025, 15:11

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