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A Keyless Entry System can be used for many things. An RF remote transmits a signal to a processor, which in turn sends a command to an electronic entry system. In the case of a car, this system could be wired to the solenoids for the electronic door lock to have it open or close upon command. Using the transceiver, this system could be wired for a 2-way pager/alarm system where the user is notified when an intrusion is noticed. |
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DC/DC Converter |
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DC/DC Converters from Torex Semiconductor |
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| RF Receiver | |
2.4 GHz Transceivers from Nordic Semiconductor |
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2.4 GHz Transmitters from Nordic Semiconductor |
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433/868/915 MHz Transceivers from Nordic Semiconductor |
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| Power Amplifier | |
2.4 GHz Power Amplifiers from SST |
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| Microcontroller | |
Microcontrollers from NEC |
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| Command Module (PWM) | |
Microcontrollers from NEC with PWM |
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**The application diagrams highlighted on this site are not intended as reference designs.
