Projects
- 3D Optics
- 9V Battery Snap Do-it-yourself
- Audio Equalizer
- Binary Beads
- Cartesian Diver
- CD Spectrometer
- Circuit Game
- DC Motor
- Electric Train
- Faraday Flashlight
- Homopolar Motor
- Infrared Heart Rate Monitor
- Jeopardy game
- Jumping Jack
- LED Display
- LED Flashlight
- Liquid Crystal Display
- Magic Wand
- Op Amp Oscillator
- Paper Planes
- Smart Lighting
- Solar Cooker
- Speaker
- Vacuum Fluorescent Displays
- Water Filtration
- Wireless Energy Transfer
Liquid Crystal Displays
Build a square wave generator to drive a liquid crystal.
Source: A square wave is used to drive a liquid crystal display.
The circuit just uses one integrated circuit.
Student Handout
Powerpoint Presentation