Make connections as shown. Make sure you connect Ground Pin of RFID reader to Ground Pin of Arduino. I am using the SoftwareSerial Library of Arduino which enables digital pins to be used in serial communication
Where to use RC522 RFID Module The RC522 is a RF Module that consists of a RFID reader, RFID card and a key chain. The module operates 13.56MHz which is industrial (ISM) band and hence can be used without any license problem. The module operates at 3.3V typically and hence commonly u...
The RFID reader signals are everywhere with it’s promity to detect a tag. When a RFID tag comes in the proxmity of the RFID reader the tag detects the readers signal through a coil present in it which converts the received RF signal into a electrical signal. This converted signal alone...
Next we need to give life to the two buttons. So when the “TurnOn_Button” will be clicked we will use the Bluetooth client function “Send1ByteNumber” to send a number to the Arduino Bluetooth module. In our case that’s the number 49 which corresponds to the cha...
Of course, in a practical application, you will be connecting your serial connection to an actual device such as a modem, a printer or even some RFID readers, in fact, we use a serial connection in our tutorial onsetting up the RFID RC522 Chip. ...
For the electric iron, it’s better to use flat surface header, and it’s also good to use soldering station if you are going to solder SMD components which need to avoid static electricity. You can use colophony to remove the tin solder on the solder head and leave it on the head as...