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 ...

Another element that we are going to use on this experiment is Piezo Buzzer. So what is it ? It’s an electronic device commonly used to produce and signaling a procces that is happening through a ...

It’s controlled by an Arduino Mega twinned with a couple of Adafruit boards that interface with the various sensors and pumps that control the flow of booze around the system. There is also an ...

To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the Velleman svm06. It says it is rated at 3-7VDC ...

In this project, we create a joystick-controlled laser by connecting two ... The following is excerpted from the book Arduino Project Handbook: 25 Practical Projects to Get You Started, a beginner ...