Month: March 2021
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Got my vaccination date
Continue reading →: Got my vaccination dateWaiting for my vaccine call. I shall not miss their call. Got my vaccination appointment.
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Active Noise Cancellation
Continue reading →: Active Noise CancellationThe best part of the best ANC is to enable you to enjoy the music…
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Ferric chloride
Continue reading →: Ferric chlorideIn order to etch my own printed circuit board, I bought some ferric chloride. The…
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Number of Wires.bas
Continue reading →: Number of Wires.basRem W is the diameter of the wire in mmRem W = 0.35Input “Diameter of…
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Winding a Toroid
Continue reading →: Winding a ToroidA ferrite core is prefered. A metal nut doesn’t really work. Magnetic property is just…
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LED Blinker/Flasher
Continue reading →: LED Blinker/FlasherAnother simple LED blinker using 1 NPN and 1 PNP transistor.
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Joule Thief
Continue reading →: Joule ThiefHere is testing a Joule Thief circuit with a simple oscilloscope. It can bring the…
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D-cell
Continue reading →: D-cellSwitching the AA battery with a D-cell. I have changed one of the 100nF ceramic…