Recent posts

Remote hotend fan, part 2

2 minute read

In part one of my creating a remote hotend fan system, I made an interface to control a brushless high-power hairdryer fan with a normal PWM fan output. Next...

Brushless fan PWM to 5VDC interface

4 minute read

The Anycubic Kossel printer came with a J5 type hotend, which is heavy, big, and just not really good. The flow rate is rather bad. I changed it with a mozzi...

Best way to cut veroboard track

less than 1 minute read

I think I have devised the best way to cut veroboard tracks. It bothered me that using a cutter is tedious and not precise and often leaves small bits of cop...