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Modifying AC Power Meters to Read Down to Zero Volts From Their Spec of > 50 to 80 VAC
Removing Anti-reflective Coatings From Eyeglasses
How to Make a 0 - 240 VAC and 0-350 VDC Power Supply
A Neat Little Variable Constant-Current Add-on for Power Supplies
Laboratory Grade Colorimeter (inspired by a Classic, the Klett Summerson Colorimeter)
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