hello friends
i want made rfid card or chip access switch(or led on). but i want switch on detect rfid programmed data ( i read some access switch support UID number . match i write data only not UID
thank you
Yes you can do this.
Look at the sample code for your particular RFID reader. See the examples that come with it as to how to read the segment data. Then use that segment data in your test to see if you need to turn the LED on or not.