| Discussion Title | Created date |
|---|---|
|
Need ideas to provide pulsetrain to spin stepper motor I have a NEMA 34 stepper motor and Compumotor ZETA4 driver. I want to provide a pulsetrain to use the stepper motor in a more conventional application. I have tested the... |
Saturday, 21 July 2018 - 00:43 |
|
SPI programming interfered by other circuitry I am populating a custom PC board a section at a time and testing each section before doing the next. I added a couple ICs that connect to SCK and MOSI. After that when I try to... |
Monday, 11 December 2017 - 05:38 |
|
Solved: USB communication issue Hello everyone! This may be more of a general AVR issue than Arduino, but I'm using an Arduino in the process, so I posted here. I am working on a project that... |
Thursday, 7 December 2017 - 17:34 |
|
Please help with SD Card reader connections... I have various motion controlled devices, from a Bridgeport CNC machine, to a laser cutter, 3d printer, and pick-n-place project. Many use Ardiunos for a simple CNC control. I... |
Saturday, 29 July 2017 - 19:34 |
|
Communicating with multiple USART devices I'm in the early stages of designing a specialized automated assembly machine. It utilizes six axes - all controlled by stepper motors. I am planning to use two ATmega328 MCUs... |
Thursday, 2 February 2017 - 19:05 |
|
Brainstorming "Teach" mode for CNC Pick&Place machine I'm in the process of making a rudimentary Pick & Place machine for PCB assembly. Since I'm a mechanical engineer and have my own CNC machine shop, the mechanics are the "easy... |
Friday, 2 December 2016 - 06:16 |
|
Wanting grbl without host PC I'm having a difficult time finding the answer to some questions I have regarding Arduino, grbl, and USB communication. Part of the problem may be that I don't know enough to... |
Sunday, 18 September 2016 - 21:54 |
|
Custom GUI for "grbl" Many of you may already know I have a small CNC machine shop. I have converted an old (mid '70s era) Bridgeport BOSS CNC to use MACH3 instead of the antiquated controller. I have... |
Monday, 20 June 2016 - 16:03 |
|
Can I use AS4 to compile grbl? Hello, I am a neophyte in regards to AVR Studio. I have it primarily to upload hex files onto ATtiny461s for a customer's project/product. It is version 4 (I have not upgraded... |
Friday, 10 June 2016 - 16:56 |
|
Synchronizing two BLDC motors powered by hobby ESCs Hello everyone. It's been a while since my last post. Many of you may remember my tachometer project that you AVR Freaks were so helpful with me completing: https://www.avrfreaks.... |
Monday, 18 January 2016 - 23:13 |
|
My Manifold Pressure Gauge - putting it all together Since I am a mechanical engineer, a lot of the thinking required for programming these AVRs hurts my head. Not literally, but I find I spend a lot of time wrestling with thinking... |
Friday, 14 March 2014 - 01:51 |
|
Syncronizing 2 R/C airplane motors Hello everyone, I want to brainstorm about synchronizing two BLDC motors intended for R/C airplanes (although I am not using them for R/C). The controllers would presumably use... |
Sunday, 9 February 2014 - 22:18 |