How can I detect the presence of another specific item electronically cheaply (I can’t afford a RFID reader)?
How can I detect the presence of another specific item electronically cheaply (I can’t afford a RFID reader)?
I am attempting to create a system that remotely detects another unique item electronically without having to purchase an expensive RFID tag and reader. Additionally, I believe a proximity sensor can only detect the presence of ANY item rather than a specific and unique item. Also, if possible I would like the solution to incorporate compact items that need to be placed on a bicycle and a keychain. Any ideas would be greatly appreciated. THANKS!
Tags: afford, another, cant, cheaply, detect, electronically, item, presence, reader, rfid, specific
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1 Comment for How can I detect the presence of another specific item electronically cheaply (I can’t afford a RFID reader)?
1. "Misinformed" | February 15th, 2011 at 8:13 am
A book of info called “Electronic Sensors for the Evil Genius”may help or if you just want an RF detector, then get one from some ET stores. Model# SH-055DV.
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