Description
RFID Reader 125KHz Serial TTL Module Proximity Reader with Serial and TTL Interface Module, for Easy Integration with Arduino, Raspberry PI and other microcontrollers.
The RFID stands for Radio Frequency Identification. RFID is one member in the family of Automatic Identification and Data Capture ( AIDC ) technologies and is a fast and reliable means of identifying objects. There are two main components: The Interrogator (RFID Reader) which transmits and receives the signal and the Transponder (tag) that is attached to the object. An RFID tag is basically composed of a miniscule microchip and antenna. Especially RFID tags can be passive or active and come in a wide variety of sizes, shapes, and forms.
Applications of RFID Reader 125KHz Serial TTL Module:
RFID is used for many applications such as: Automated electronic toll stations which can identify vehicles passing through without having to stop and then debits their account. Identify and monitor railcars and containers. At the present time RFID tags help farmers track their farm animals, and is used in wildlife conservation. Also helps to identify our animal companions if they should ever become lost.
Customers can pay for their fuel at the pump with just a wave of their key tag. An increase in demand has been seen for security applications such as homeland security, employee identification, gaining entrance and controlling access of vehicles to buildings, gated communities, corporate campuses and airports.
This is a Passive RFID Reader:
- Sensitivity Range is about 6cm from antenna.
- External Antenna or Internal antenna.
- Buzzer to detect the proximity cards.
- Blue LED blinking to show that the RFID reader is powered on.
- Direct TTL output that can be directly coupled with most of the microcontrollers without max232.
- Operates at 5v with 500ma of current.
- It has an RFID Reader Chip
- Cypress Microcontroller to decode the data into Serial o/p.
- Rs232 to convert signal into TTL to RS232 (optional).
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