125Khz RFID Reader Module RDM6300 EM4100 RF Module UART Output Access Control System

Product features:

RDM6300 is a module that can read 125K RFTD cards,

2. This identity recognition function can be combined with the servo to complete the design of access control.

3. Logic design: After RDM6300 recognizes the correct card number, the servo rotates 180 degrees to open the door. If the door is not pushed open, the magnetic sensor can still sense the magnetic force. After 3 seconds, the servo returns to lock the door. If the card reading is successful, the door is pushed in, but the magnetic sensor cannot sense the magnetic force. The servo remains in a 180 degree open state, closes the door, and the magnetic sensor senses the magnetic force, delaying one second for the servo to return to lock the door.

4. When using, the first two lines of the code need to be modified to the correct card number, and multiple recognizable card numbers can be added by oneself.

5. Widely applicable and suitable for DIY production by various enthusiasts.



Performance parameters:

Frequency: 125KHz

Baud rate: 9600

Interface type: TTL level RS232 format

Working voltage: DC 5V (± 5%)

Working current:<50mA

Receiving range: 20-50mm (depending on antenna, card, and surrounding environment)

Working temperature: -10 ℃~+70 ℃

Storage temperature: -20 ℃~+80 ℃

Maximum relative humidity:~95%

Coil size: 46mm x 32mm x 3mm

Module size: 38.5mm x 19mm x 9mm



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