Electronic projects

Projects

 * Create a nightlight from old usb charger
 * Howto build a zener diode tester
 * How to build a cheap 3A regulated power supply
 * How to build a quick 0-160V high current DC power supply using a variac
 * How to make a 100X oscilloscope probe
 * Electronics:Simple circuit for lithium battery charge meter
 * Power strip controlled by computers on/off status
 * Add 3.5mm headphone jack to bluetooth headphones

Tutorials
Here are some tutorials I've written

Tools

 * How to use the Hantek DSO-2100 USB oscilloscope in Linux
 * Howto import FreePCB gerber (CAM) files into CircuitCam for use with a LPKF milling machine (old LPKF machines)

Soldering

 * Howto select a soldering iron
 * Howto solder
 * Howto solder surface-mount components

Circuits

 * Howto build an oscillator circuit
 * How to design a snubber for a flyback converter
 * How to design a flyback transformer
 * How to boost the output voltage swing of an operational amplifier

Component Identification

 * Howto identify computer chips or integrated circuits on circuit boards
 * Howto identify integrated circuit(IC) chip packages
 * Howto identify integrated circuit (chip) manufacturers by their logos
 * Howto identify zener diodes
 * How to identify inductor markings

Acronyms

 * Electronic and computer acronyms
 * Solar energy acronyms
 * Relay acronyms

Tutorials

 * Howto measure a transformers turns ratio
 * Howto build a transformer or inductor
 * Howto design a flyback transformer
 * Howto read inductor color codes
 * Howto measure a transformers turns ratio

CPUs

 * How to straiten bent CPU pins and other PGA chips