One of my first memories is watching my father fix an old valve TV in the early 1970s. I've always been fascinated by how it was possible to create electronic devices, and how it's possible to extend the lives of those you've bought if you have an ability to understand a little about electronics.
Consumer electronics reviews
LED-2 Video projector - inexpensive Chinese video projector
Digital Video Converter - a stand alone converter for old video tapes.
NBOX - Put home products or downloaded video on your TV.
The Battery Manager Ultra - a smart battery charger.
Samsung ML-1640 laser printer - problems and fixes.
Home audio / video projects
My home made subwoofer.