RFID Door Locking System Are you tired of searching for keys whenever you need to open a door? How about building a smart locking system where you can simply swipe a card to open the door? In this article, we will learn how to build an RFID door lock system using Arduino. It’s a ...
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. I have used pin 9 as the Rx of Arduino. (You can also use the hardware R...
You have probably heard of the ArduinoTMwhich is not a microcontroller but rather an open source movement that uses Atmel (and other) microcontrollers to offer a simplified way of connecting hardware (shields) and control devices (software). Because the hardware and software is open source many ...
How intuitive will the system be to a non-user? Is the device actually fulfilling a need or is it just a fancy and potentially frustrating toy? How many people will be required to use the system? Who will know how to operate the system? Who will know how to maintain the system and ...
“RFID for model railroad operations” inDecember 2014 “High-tech turnout controls” inJune 2013 We’ve also got a book on how to use an Arduino on a model railroad coming out in early 2025. Those should open your eyes to what’s possible and what’s coming in the future of our hob...
Just a quick walk through how to use the SD card module with Arduino. It is the same for Micro SD card modules. I will explain what each function does.
Because you can use different frequencies, you can create a full array of musical notes. There are a few lists of musical note frequencies online and many of them trace back to Brett Hagman’s Arduino tone library on Github. We’ll use these values to create a list we can use to play...
Why use Arduino? Simplicity Besides the main microcontroller chip, a microcontroller will require many different parts to work. What Arduino did was take away all the essential components of a microcontroller and design it so that it is effortless to operate on a piece of Printed Circuit Board ...
. The minimum current consumed by the module during power down mode will be 10uA only. The module can be easily used with Arduino because of its readily availableRC522 RFID Arduino libraryfrom Miguel Balboa. You can visit his GitHub page for more details on how to use it with Arduino....
For an Arduino, this is ok. For a Raspberry Pi, it can damage the pin, or even the Pi. We’re using two resistors, R1 a 1K Ohm resistor (top) and R2 a 2.2K Ohm resistor (bottom) to create a voltage divider. The legs of R1 and R2 go into the same row of the breadboard. ...