Tag Archive: lab tool

Soldering Fan 2.0

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Carbon Filter Soldering Fan

A PSU fan with a carbon filter. For my protection when soldering!

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Servo tester by 555 timer

I needed a servo tester for my workshop, to have at hand whenever I change servo horns or need to see if a servo is dead. I decided to use a 555 timer to do this.

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Using LDO as an adjustable voltage supply

I came across this Low DropOut voltage chip and figured I would use it as an adjustable voltage source. All it required was a trimpot, a capacitor and a resistor.

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