My little electronics blog

My family handed down to me from my grandfather an analog multimeter as he could not use it at his advanced age. But when I got it, I found the old AA cells inside had leaked. The multimeter also had a D cell inside of it. An old Energizer battery. I pulled it out of the multimeter but did not...

Hello, Caution: Several MB of photos are attached. Boilerplate notes: I have yet to workout a proper light box setup. As someone who's a student, in the vast majority of cases I've opted not to try and reverse engineer the items I teardown. Please bear in mind, although I can link directly to...

Much like anyone else, I've had my fair share of PC HW failure problems. The MotherBoard (MB), the CPU, the RAM, the PSU, etc.. But recently, I encountered a problem so bad that I felt I had to write about it. But before we begin, I should tell you what HW I had. My PC was composed of a CPU, a...

Recently, I had the opportunity to electrically and thermally examine 4 wall ovens at no monetary expense to myself. Despite the fact that I couldn't do this under laboratory grade conditions, I none the less thought that my readers would enjoy a write up on the subject, so here goes. There...

I was reading about magnet wire for purchase and came upon references to a Japanese standard among several of the listings. I found the Japanese spec and downloaded it. I realized it was in Japanese and there was no English translation so translated it using a website, hand fixed all the...