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- How to boost the output voltage swing of an operational amplifier
- How to build a cheap 3A regulated power supply
- How to build a LIRC receiver with an LED indicator
- How to build a quick 0-160V high current DC power supply using a variac
- How to build a simple device that turns off external appliances when your computer shuts down
- How to build a transformer or inductor
- How to build a zener diode tester
- How to build an oscillator circuit
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- How to design a snubber for a flyback converter
- How to identify chip packages
- How to identify inductor markings
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- How to identify zener diodes
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- How to make a 100X oscilloscope probe
- How to measure a transformers turns ratio
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- How to setup the UC3526 PWM for open-loop testing
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- How to straiten bent CPU pins and other PGA chips