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
Infrared Pulse Sensor
Build a finger clip to measure your pulse rate!
A Whetstone High student proves he's alive with his heart rate monitor.
Pulse Detector Instructions (original circuit)
Pulse Detector Illustrated Instructions (simpler circuit)
Pulse Detector Powerpoint (simpler circuit)
VERY COOL VIDEO ON HOW TO MAKE THIS PROJECT