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In early November ralphjy told us that his NVR had died. In the course of the discussion and Ralph's experiments it was speculated that there was a short on the board that was pulling down the power supply. Over the years as I have serviced equipment this has always been a challenge to find the point or component that is the source of a short on a circuit board. In the past I have followed traces and cut them as needed to step by step find my way to the source of the problem. I have often though ...
If you have followed my blogs you may know that I like to walk at night. During the summer months I always have a small flashlight in my pocket or in my hand. Since I dress in black or dark colors and I am sometimes in the roadway, the flashlight allows me to alert drivers of my presence. It is also useful if my pathway is particularly dark or hazardous. I have previously made a boot light  https://www.element14.com/community/people/jw0752/blog/2019/08/01/walking-in-the-dark which has grea ...