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Simplest RFID reader? | scanlime
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Simplest RFID reader?
That's a Propeller microcontroller board with a few resistors and capacitors on it. Just add a coil of wire, and you have an RFID reader. Here's a picture of it scanning my corporate ID badge, and displaying the badge's 512 bits of content on a portable TV screen:
If you're into that sort of thing, I wrote a forum post with technical details and pretty...
Related topics : rfid tag and reader working / parallax rfid card reader / rfid proximity card reader kit / rfid proximity card reader / 125 khz rfid tag reader
Duct tape RFID tag #1 | scanlime
Duct tape RFID tag #1
This is just a messy first prototype, but I recently tried making an AVRFID tag on a substrate of duct tape. The first attempt involved:
An upside-down strip of duct tape, as the base for everything else to stick atop
100 turns of AWG 40 magnet wire around a ~66mm diameter form, which I then haphazardly squished against the tape
An ATtiny85...
Related topics : rfid tag reader diy / rfid tag read range / rfid card tag / rfid tag test / rfid tags uses
Hacking a Digital Bathroom Scale | scanlime
People all around the internet have been doing cool things with the Wii peripherals lately, including the Wii Fit balance board. Things like controlling robots or playing World of Warcraft .
But what if you just want one weight sensor, not four? The balance board starts to look kind of pricey, and who wants to deal with Bluetooth if you don't have to?
I've had a couple ideas for problems that...
Related topics : rfid reader input or output device
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