Paul's DIY electronics blog

This will be a post to describe my efforts to more or less regurgitate and resurrect the Walt Jung/Jan Didden power supply design that gaine...

  The rather famous SG505 oscillator I'm going out on a limb here. Although I already built a copy of the SG502, described here , the SG...

This project describes how I converted a UYUE 946C Preheating Station to a reflow hotplate that uses and follows solder paste profiles. As I...