Testing Assembled HobbyCNC PRO Boards

I 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 them, however, is a big deal. I test...

No More Bent Leads: IC Tubing Cutter

Sometimes 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. That particular...

HobbyCNC PRO Rev 2 Introduced

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...

PRO and EZ board mounting templates

Never really thought about it until I was recently asked the diameter of the mounting holes on the EZ board. I couldn’t remember. (FYI, 0.125″ [3.2mm] is the spec’d diameter). That got me thinking about the mounting pattern. Anyhow, I did them and if...

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

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...

Pin It on Pinterest