Want to make your RC projects wireless? And don’t even want to spend money? Well, you don’t need to. These 433mHz RF modules can be bought for barely the cost of a cup of coffee. I bet these modules are the best value for money product ever. On top of that, it is so tiny that you can embed it into any of your project and give them wireless functionality.
Here we designed an RFID based Attendance System using Arduino UNO and RC522 RFID 13.56Mhz Reader Writer Module. So that students can automatically mark their presence in the system without the need of teachers having to do it manually.
Bluetooth is a communication protocol which provides an affordable communication in PAN (Personal Are Network). It provides a maximum data rate of ...