When you´re tearing downhill on your snowboard, it´s a little distracting to take off your glove and dig out your iPod just to, say, hit pause. Instead, build this simple radio-frequency ID system and control your iPod by waving your hand in front of your coat.
A tag sewn into your glove sends instructions to a reader stashed in your pocket.
Unwire Your iPod
Easy | | | | |
RFID Reader (Parallax 28140) $39.95
- RFID Tag (Parallax 28142, $2.75)
- Microcontroller (Parallax BS2 $49.00)
- Controller Carrier Board (Parallax 27130 $19.95)
- iJet Remote Control (@ B&H Photo Video $29.95)
- SPST 5V Reed Relay (RadioShack 275-0232 $2.99)
- A glove to hold the tag
- A jacket to contain the rest of the components (and to keep you warm)
Assemble the Electronics:
This step requires some soldering; see the diagram above
- The remote control to the reed relay
- The RFID reader to the carrier board
- The reed relay to the microcontroller
- The switch to the nine-volt battery
harness and to the carrier board
Program the Board: Tell the microcontroller to read and process a signal from the RFID tag by plugging the microcontroller into your computer with a serial cable. Download the code here and copy it from your PC to the
Stash and Use: Slip an RFID tag into your glove, and plug the iJet remote receiver into the iPod. Stuff the electronic parts into a chest or sleeve pocket. Wave your glove within four inches of that pocket, and the music will pause, just in time for you to hear your friend shout â€Avalanche!â€
For further instructions, see the next page
Does this work with iPod touch?
Where can I get the blocks?
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