1000th DIY CNC Plan Downloaded!

I’m delighted to share that we just had the 1,000th download of our DIY CNC Router 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. It is a pleasure and an...

PC Board with Solder Mask

One of the things I like to use my DIY CNC router for is to make PC boards using the isolation routing technique. My latest prototype is for an opto isolator board to be used with the HobbyCNC Pro when the user experiences “false triggers” of their limit...

The Power of Checklists

I’ve started using checklists. A few nights ago I made a small, careless mistake and wrecked one of my nice 60 degree milling bits (at $14 a pop). My ‘favorite’ mistakes include: restarting LinuxCNC and forgetting to reload my program forgetting to...

Where has all the power gone?

Most (all?) stepper motor driver instructions include the warning “do not connect/disconnect motors while power is applied”. Curious why? A brief-yet-incomplete intro to stepper motors is appropriate. Stepper motors contain several windings. These windings...

We all make misteaks

I recently assembled 5 PRO 4-axis boards. I’m pretty careful. I follow directions. I am quite familiar with the boards. Only 60% (three out of five for you non-math types) worked first time! Oh the shame.  Careful(er) visual inspection revealed the problems: One...

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