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
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
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
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