[Video Link] Here's MAKE's Collin Cunningham with a quick primer on using infrared LEDs and phototransistors to send and receive wireless signals.
MAKE Circuit Skills: Infrared Light
- Collin Cunningham explains Ohm's Law
- Collin Cunningham of MAKE builds an infrared heart monitor
- Collin's Lab: High Power LEDs & the Digital Color Organ
- Make your own custom fit earbuds
- Circuit Skills: transmitting sound with light
- Announcing Make Live — 6pm PST today, 1/26/2011
- MAKE presents: The Multimeter
- Wire spool organizer how-to on Make: Online
- DIY iPad stylus
- Make's Circuit Skills: Perfboard Prototyping video
- Video explains what a capacitor is and how to make one
- Make video about LEDs
- Make video about visible sound and vibration
- Infrared trees
- Carb overload: Bread Bowl Pasta
