UART 125Khz EM4100 RFID Card Key ID Reader Module RDM6300 RDM630
$7.00
UART 125Khz EM4100 RFID Card Key ID Reader Module RDM6300 RDM630
Frequency:
125KHZ
Baud rate: 9600
Interface: TTL level RS232 format
Working voltage: DC 5V(+/-5%)
Working current: <50mA
Receive distance: 20~50m
Working temperature: -10°C~+70°C
Storage temperature: -20°C~+80°C
Humidity: 0~95%
Wiring size: 46 x 32 x 3mm
PCB size: 38.5 x 19 x 9mm
Sample code:
String comdata = "";
void setup()
{
pinMode(2,OUTPUT);
pinMode(3,OUTPUT);
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
Serial.begin(9600);
}
void loop()
{
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
while (Serial.available() > 0)
{
comdata += char(Serial.read());
delay(2);
}
if(comdata.length() > 0&&comdata=="0500ADDF1443")
{
while( comdata.length() > 0 )
{
digitalWrite(3,LOW);
delay(100);
while (Serial.available() > 0)
{
comdata += char(Serial.read());
delay(2);
}
comdata = "";
}
}
else if (comdata.length() > 0)
{
while(comdata.length() > 0)
{
digitalWrite(2,LOW);
delay(100);
while (Serial.available() > 0)
{
comdata += char(Serial.read());
delay(2);
}
comdata = "";
}
}
}
Packing content:
1 x 125K EM4100 RFID Card Reader Module
1 x Coil
UK Seller, quick dispatch. 1ST CLASS POST.
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Product ID: EP00210