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Thanks to Christmas Vacation I had the opportunity to spend the day doing electronics with my 11 year old Grandson Ivan. We began with a small Chinese noise actuated clap switch.   https://www.ebay.com/itm/VOS-Voice-Operated-Switch-DIY-Kit-Voice-Switch-Electronic-Production-Suite/222649153280?hash=item33d6ec7700:g:1cAAAOSwnDZT5G~0     As you can see the kit comes with no directions other than the silk screening on the board. I had explored this kit a while back and reverse eng ...
While getting dinner tables ready today for the coming Christmas Dinner the boss (Millie) asked me to get some wrinkles out of a plastic table cloth. After retrieving my shop hair dryer I began to heat the plastic cloth to remove the wrinkles. After I had finished I noticed the little GFI Plug, on the end of the cord, plugged into the wall outlet. I thought to myself, you know I have never tested the GFI,and so I pushed the test button. The GFI however did not click and open but rather began to ...
For my 25th birthday in 1974 I bought a 10 MHz BK Dynascan 1460 Oscilloscope for $450.00. It was my first scope and I was servicing Audio Electronics at the time with an occasional TV thrown in. My primary job was as an independent service tech for 20 Radio Shack stores in Wisconsin and Minnesota. I had hopes that the scope would help me to diagnose some of the tougher puzzles that came across my bench. Since that time I have had dozens of shops and the BK scope has always been there for me.  ...