RFID kártya olvasó modul UART (soros 3pin) 125KHz, 5V

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RFID kártya olvasó modul UART (soros 3pin) 125KHz, 5V
RFID Reader Wireless Module UART 3Pin 125KHz EM4100 8CM DC 5V for IC Card

Cikkszám: #4570

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RFID kártya olvasó modul UART (soros 3pin) 125KHz, 5V

Táplálása DC 5V-ról, egyszerű működés akár csak 3 kábelen (soros UART), rendkívül kicsi méret. Alkalmas kártyák és kulcstartók közeli (~max 8cm) olvasására.

7941E Card reader module,integrated high performance card reading radion frequency circuit and antenna and user can select wiegand or UART interface.Rich Application support,it supports various cards card reading poeration.

Features:
voltage:DC 5V
current:40mA
supprot 125khz card reading
interface:Wiegand,UART
size:47x26x5mm
operating temperature:-20 to 70 celsius
EM4100 card reading distance:>8cm

Connection Introduction:
power:DC 5v power supply ,choose linearity power can gain better effects
D1 D0:wiegand data output DATA1,DATA0
for:format selection (hanging means w26,ground connection means w34)

Wirgand interface output introduction:
when it sensors the card,the serial number will be output via Data 0,Data 1 two data wire
Data 0 and Data 1 are high level when there is no data output
Data Bit 0:it will generate 400us low level on Data 0 wire
Data Bit 1:it will generate 400us low level on Data 1 wire
Every data length is 2400us
Every card has a serial number with 4 bytes,users should output the last three bytes
Add the first 12-bit even check bit in the front and add the last 12-bit odd check bit in the back ,26-bit data in total
card number is 6B 3D 12 D6
output data is 3D 12 D6

weigand 26 code

0	111101	10010	11010110	1
even check	3D	12	D6	Odd check

weigand 34 code

0	1101011	111101	10010	11010110	0
even check	6B	3D	12	D6	Odd check

UART interface output

data head	length	card type	card type	BCC check	data end
0x02	0x09	0x01	SN0-SN3	XOR check except data head and data end	0x03

card type

0x02 EM4100
0x01 1k
0x03 4k
0x10 hid card
0x11 t5567
0x20 2nd card
0x21 ISO14443B
0x22 felica
0x30 15693 Label
0x50 cpu card
0x51 Sector information
0xFF keyboard data

for example:the data received by serial port tool is 02 0A 02 2E 00 B6 D7 B5 F2 03,then
the first byte 0x02 means data start
the second byte 0x0A means the whole data length is 10 bytes,which includes data start and data end
the third byte 0x02 means the card type is EM4100
the forth to eighth byte(0x2e 0x00 0xb6 0xd7 0xb5)means the read card number,and the fourth byte 0x2E is hidden card number
the ninth byte 0xf2 means Bcc check of second byte to eighth byte
the tenth byte 0x03 means data end

notice:
keep away from interference source,and strong interference signal may affect card reading
select linearity power can improve the car reading distance and effect;switch power may attenuate the distance but will not influence normal operation
the module can operate normally in the range of 3v-5v,please do not use higher voltage
this module has high frequency signal ,so it may cause some interference to the analog circuit.Users should place the module a little far away from the buzzer;if the distance is too close,the sound of the buzzer will be low

Applications:
attendance fingerprint read write module
entrance guard intercom read write module
replicator
attendance fingerprint card reader module
entrance guard intercom card reader module