Electronic projects
From happytrees.org
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
- select a soldering iron
- solder
- solder surface-mount components
- interpret Cadence errors
- build an oscillator circuit
- identify computer chips or integrated circuits on circuit boards
- identify integrated circuit(IC) chip packages
- identify integrated circuit (chip) manufacturers by their logos
- import FreePCB gerber (CAM) files into CircuitCam for use with a LPKF milling machine
- and computer acronyms
- energy acronyms
- measure a transformers turns ratio
- build a transformer or inductor
- design a flyback transformer
- read inductor color codes
- measure a transformers turns ratio
- identify zener diodes
- to design a snubber for a flyback converter
- to design a flyback transformer
- to boost the output voltage swing of an operational amplifier
- to identify inductor markings
- to straiten bent CPU pins and other PGA chips