Starting Electronics Needs Your Help!
It is that time of the year when we need to pay for web hosting and buy new components and equipment for new tutorials. You can help by making a donation. Contribute to this website by clicking the Donate button. The total will be updated once daily. (You may need to clear your browser cache to see the updates.)
Target Amount: $2000
Amount Raised: $630
Top Donor: C.C. $100
Electronic and Arduino circuits for beginners with Arduino sketches.
Also see the circuits in the beginner series of electronics and Arduino tutorials.
This article shows how to connect a buzzer to an Arduino when the buzzer operates at a different voltage to the Arduino such as 9V, 12V or some other voltage.
Build a Knight Rider LED chaser display using an Arduino Mega 2560. This breadboard circuit uses 24 LEDs in for the display.