You know how it goes. If you design a PCB, you’ll always have to rework the first revision. That is also the case for my Optocom PCB. I didn’t read the reference manual for the STM32F103 properly, so I just haphazardly connected my encoder A/B lines to timer channels. But, in order to use quadrature … Read more
So. You get an unknown enlarger from that one period during the late 80’s when everything had to be microprocessor-controlled, without the original controller. What do you do? You dust off KiCAD, of course! This 2-layer PCB controls and monitors both the head and column motors and encoders as well as any switches present (limits … Read more
A few weeks ago, somewhere around late November, I drove across the Netherlands to pick up a Durst Laborator 1200. It was listed as incomplete on Marktplaats, I offered €100, and was allowed to go pick it up in ‘s-Heerenberg. It’s quite a drive from Amersfoort, but I rarely decline an opportunity to go towards … Read more