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RFID card readers can be used in various applications
Vero board (3x4 Inch)
Pin 0 of PORTB
“Passive Infrared” and “IR motion sensor” device
gaming controllers
4x4 Membrane Keypad Wires RFID card readers can be4x4 Membrane Keypad This 44 Membrane is a high quality soft touch feeling button keypad with 100 million life stroke lifespans and good resistance to environmental conditions. This 44 Membrane Keypad is a high quality product at a very low cost for your application needs. This 16 button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of
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US$ 11.99