GitHub

Arduino-RFID-Access-Control-with-Servo-LCD-LEDs-and-Buzzer-using-Arduino---Full-Tutorial

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...
GitHub

Arduino-RFID-Access-Control-with-Servo-LCD-LEDs-and-Buzzer-using-Arduino---Full-Tutorial

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. Ensure the RFID tag/card UID matches the authorized UID in the code. Use the potentiometer ...
circuitdigest.com

Understanding Difference between Active and Passive Buzzer and How to use it with Arduino

A buzzer has two pins, namely positive and negative. The positive terminal is represented by the ‘+’ symbol and negative terminal is represented by the ‘-’ symbol just like an led and a capacitor.
Hosted on MSN

Real-time event notifications with NodeMCU Arduino tutorial

In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...
IEEE

‘Fastest Finger First - Educational Quiz Buzzer’ Using Arduino and Seven Segment Display for Easier Detection of Participants

Abstract: The paper aims to design and implement a low cost and reliable quiz buzzer system with the help of Arduino and seven segment display for easier detection of contestants or participants ...