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Tag Archives: microsoft
A couple of weeks ago I spent some time examining a fairly complex circuit board from my old, but still functional, clock radio/CD player. I was using the probe of my handheld multimeter to measure voltages at various IC pins … Continue reading
A few weeks ago I was given a broken Microsoft Wireless Optical Mouse 4000. When powered on, its LED glowed and appeared to blink and fade as expected, depending on whether or not the mouse sensed motion. The USB receiver … Continue reading