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Earlier this summer my son-in-law John and daughter found themselves with a bad problem in the basement of their home. Tree roots had gotten into the sewer main leading from their home and one day the water stopped draining. Unfortunately the water backed up onto their newly installed laminate wood floor and before the disaster was over much of the floor had to be replaced. Last weekend, while at our home for a Labor Day get together, John asked if I could come up with anything that would give h ...
I frequently work on circuit boards from Dental Equipment. Since these circuit boards are often used in wet or humid environments the manufacturers like to coat the boards in a thick layer of epoxy or other hard sealant. Probing these boards has always been a challenge as my meter probes would not penetrate the epoxy and I would get false readings on the components under test. The usual method for working with boards like this is to use probe tips that are very sharp and to push hard until a rea ...