Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

A few months back, [John] was reading an article about a simple RFID security system kit ... with an ATmega328 armed with an Arduino bootloader. His system replicates all of the original kit ...

[Will] has been hard at work on a replacement system for his Hackerspace’s RFID door lock ... [Will] made the jump from an Arduino which has run the locks for the last three years to a Raspberry ...

Making your own security system isn't too hard, but if you'd like a super cheap and simple method, Instructables user deba168 shows how to make a wireless motion detector with an Arduino.

Block Diagram The security system comprises of an Arduino Uno microcontroller and a standard SIM900A based GSM/GPRS modem. The whole system can be powered from any 12VDC/2A power supply unit/battery.

Nair explained that many schools use an RFID-based attendance system known as an iClicker to track whether ... Nair said that a clone device could be built using a low-cost Arduino electronics ...

We received some great entries, but the winning hack shows us how to secure your drawer full of goodies using an Arduino and RFID ... Mcnigma wanted to create a system for gently reminding ...

A cool RFID music table has been created using Arduino, iPod, and RFID tags to make it easy to change albums by simply changing the RFID tag. Each RFID tag has an individual code number relating ...