HobbyCNC Blog

Handy Measuring Jigs

Handy Measurement JigsWhen I've got free time, I love to play around with 3D printing, my HobbyCNC DIY Router and electronics. There is that point in the design where the schematic (or drawing) needs to turn into a real, physical product, and, like most...

read more

Anti Backlash Design Change!

Anti-Backlash ImprovementI developed a simple-yet-effective backlash preventer for my DIY CNC Router plans. The design uses a coupling nut with a flange welded on. This is fixed to the gantry. A spring is ‘pinched’ between this coupling nut and a simple square nut....

read more

First Test of HobbyCNC PRO board with Arduino & GRBL

Arduino / GRBL First TestI've been planning for a while now to test the Arduino Uno and the GRBL CAM software with my HobbyCNC PRO board. I was certain it would interface, but I wasn't keen on having to learn all the bits necessary to get it working. Upload/Flash the...

read more

Testing Assembled HobbyCNC PRO Boards

Production Testing Assembled BoardsI decided to offer assembled HobbyCNC PRO boards. As it turns out, not all of my customers are handy with a soldering iron, or they want their results quicker! So I build the boards, by hand, 10 at a time. Not a big deal. Testing...

read more

No More Bent Leads: IC Tubing Cutter

Avoiding Bent PinsSometimes the answer is in the trash. The background: while assembling a batch of HobbyCNC PRO boards, I was noticing how neatly the 23-pin driver chip dropped into the PC board. Then I had one chip with one lead, just one, slightly out of alignment....

read more

HobbyCNC PRO Rev 2 Introduced

HobbyCNC PRO Rev 2!I've made a few changes to the popular HobbyCNC PRO board. Most of the changes are cosmetic or functional, but one in particular is a big departure from the Rev1 boards. What hasn't changed: Roughly the same form factor (it is a little smaller) Same...

read more

My brand new stepper motor won’t turn by hand!

Your Motor is Fine!Customer received some new stepper motors and found it very difficult to spin the shaft by hand. Naturally, the thought was the motors were 'bad'. Normally, you can easily turn a stepper motor shaft by hand, and you can feel each of the 200...

read more

Blown Chip #2

This is a very unusual chip to blow like this. Just like with the blown driver chip, damage like this indicates a LOT of power. But this chip is nowhere near any high voltages. The Diagnosis Assembly error? Nope. This was an assembled PRO board, so it was fully tested...

read more

Experience is a tough teacher

When my children were growing up I used to tell them that "Experience is a difficult teacher; she gives the test first and the lesson afterwards". I have found frequently throughout my career that I tend to learn the most when I fail. Mistakes are annoying and often...

read more

1000th DIY CNC Plan Downloaded!

I'm delighted to share that we just had the 1,000th download of our DIY CNC plans! I have such fun with my home-built machine that I wrote-up the plans, documented all the dimensions and assembled it into 72 pages of instructions! If you're looking to get into CNC...

read more

Pin It on Pinterest

Share This