Wise time with Arduino

The latest revision of the HDSP clock  uses the same schematic, but offers an improved PCB layout, with: 4 holes in the corners, for encas...

My " Introduction to Practical Electronics for Children " course concluded successfully a few weeks back, before March break. Now,...

The 40+ year-old dimmer (made by Nortron Industries Limited in Milton, Ontario) in my attic broke down. Electronically, the dimming circuit ...

This compact  6-tube Nixie shield was designed by Tyler a long time ago, when kickstarter was young, and I was following closely and contri...

I designed this 7-hour (one hour/day) course for 6 graders, as part of their  STEM curriculum. The goal is to introduce the children to pr...