EHUOYAN YHY502W User manual

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YHY502W
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Wiegand
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Reader
RFID Reader OEM Module
User manual
Version 1.0
Oct, 2017
RFID
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WIEGANDRFIDMODULE

EHUOYAN YHY502W
RFID module
Page 2 of 6
1.Features
▲ Can detect UID clone card
▲ Small size and need to connect antenna external
▲Auto scan for presence of tags and upload UID
▲Contactless operating frequency 13.56 MHz
▲ Supports ISO14443A , Mifare®Classic1K
▲ Wiegand26 or 34,default WG26
▲ Typical Operating Distance: 0 ~5cm
▲ Operating Voltage ：DC 5.0V/3.3V
▲ 1 LED indicator
▲ Size: 40mm ×25mm ×6mm
▲Weight:10g
2. Pinning information _____________________________
2.1 Pining

EHUOYAN YHY502W
RFID module
Page 3 of 6
Figure 3 – Pinning configuration
2.2 Pin description
Table 1: J1 Pin description
Pin Symbol Type Description
J1-1 RFU
J1-2 RFU
J1-3 OUT1 O Output 1
J1-4 WS I Empty is WG26, if connect to ground is WG34
J1-5 RST I Reset, active-low, floating for power-on reset by default
J1-6 D0 O Wiegand Data0 output
J1-7 D1 O Wiegand Data1 output
J1-8 VCC PWR
Power supply, 5.0V or 3.3V
J1-9 GND PWR Power supply Ground
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3. Electrical Characteristics ____________________
Symbol Parameter Conditions Min Typ Max Unit
VCC Supply voltage GND=0V 2.7 5.0 5.5 V
IVCC Supply Current VCC =5.0V 53 85 mA
DRW Read card Distance VCC =5.0V 0 50 90 mm
Tamb Operating ambient temperature -25 +85 ℃

EHUOYAN YHY502W
RFID module
Page 4 of 6
4. Package outline ___ _____________________
Figure 4– YHY502W Top view
Figure 5– YHY502W Side View
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6.Wiegandprotocol
YHY502Wwiegandreaderwillreadthem1cardandoutputtheUIDbywiegand26or34.
DefaultisWG26,andifconnecttheWSpintotheground,itwilloutputWG34.
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BelowistheUIDstoredintheM1card’sblock0.
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Figure6.UIDstoredinblock0
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EHUOYAN YHY502W
RFID module
Page 5 of 6
IfitworksonG26,thereaderwilloutput3bytesoftheUID,andthesequenceis“D2D1D0”.
IfthereaderdetectsaclonedUIDcard,itwilloutputthedataall“0”.
BelowisthetestresultbyusingtheARDUINOUNOboard.
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Figure7.UNOreadWG26data
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IfitworksonWG34,thereaderwilloutput4bytesoftheUID,andthesequenceis“D3D2D1D0”.
IfthereaderdetectsaclonedUIDcard,itwilloutputthedataall“0”.
BelowisthetestresultbyusingtheARDUINOUNOboard.
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Figure8.UNOreadWG34data
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When a 0 is sent the DATA0 wire is pulled to a low voltage while the DATA1 wire stays at a
high voltage. When a 1 is sent the DATA1 wire is pulled to a low voltage while DATA0
stays at a high voltage.
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Thepulsewithis100us,thepulseintervalis1.6ms(100+1500us).
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7. Contact information ___ _____________________

EHUOYAN YHY502W
RFID module
Page 6 of 6
To obtain information about EHUOYAN Inc sales and technical information, please
reference the following information.
Contact Information:
Ehuoyan Technology Co.,Ltd.
Tel: [phone]
email: [email protected]
Web Site : http://www.ehuoyan.com/