Arduino takes serial input to its Rx pin, from the RFID Reader. Find the Arduino program on the project page itself. Whole circuit is powered by 12v supply. On the Reader Portion, ID-20 RFID Reader ...

Arduino RFID Door Lock Circuit Diagram. EM-18 RFID Reader: RFID stands for Radio Frequency Identification.Each RFID card has a unique ID embedded in it and a RFID reader is used to read the RFID card ...

Learn how to build an RFID door lock system using Arduino for secure and smart access control. This step-by-step guide covers circuit connections, coding, and hardware setup to create an automated ...

Posted in Arduino Hacks, home hacks Tagged arduino, arduino keypad lock, automated door lock, keypad. Post navigation. ... or activate the circuit so the catch gives way and the door opens.

When the relay is activated the circuit is closed and current can flow to the device you are controlling. Now, connect the Arduino Mega to your computer and open the Arduino IDE. Copy and paste the ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

In this project, we will learn about simple voltmeter by using Arduino. It is one of the best projects for beginners that uses basic concepts to measure voltage. When you run the Arduino code, you ...

This project allows you to control your cars lock system, to lock or unlock your car doors from nearby using a remote as in a normal car alarm system and if the remote is out of range you may send an ...