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Compared Product Best For Key Difference Direct Link DC Motor TT All-Metal Gearbox 1:90 Gear Ratio classroom and quick-build projects metal gear View product Tamiya 70097 Twin-Motor Gearbox Kit classroom and quick-build projects Tamiya 70097 Twin Motor View product Tamiya 70188 Mini Motor Gearbox 8-Speed Kit classroom and quick-build projects mini View product Technical specifications
regulated voltage
check the power requirement and host board compatibility before installation
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application logic on the other
RFID Tag 125kHz - EM4100 Read-Only Card arduino uno footprint Compared Product Best For KeyRFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40 bit ID. It is not reprogrammable. This blank, smooth, mildly flexible RFID tag is ready for your logo (or hand drawn scribble).
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