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USB RFID Card Reader
For most hobbyist this great accuracy range and it's low cost makes this a great tool for biorobotics and other projects
Operating frequency:13
This infared receiver uses Veshay TSOP382 IR Receiver Modules for Remote Control Systems
Magnetic Reed Switch (Y213) 085 USB RFID Card ReaderIntroduction : Magnetic Reed Switch (Y213) is adry reed switches have been hermetically sealed in a gas filled glass envelope. It feature single pole, single throw, normally open contacts. Magnetic Reed Switch (Y213) switching mechanism is comprised of two ferromagnetic blades, separated by only a few microns. When a magnet approaches these blades, the two blades pull towards each other. Once touching, the blades close, allowing electricity to flow.
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