Warning to KiCad Users: Avoid all links to kicad - pcb.org – Use kicad.org
Starting Electronics needs your help! Please make a donation to help cover our hosting and other costs. Click the donate button to send a donation of any amount.
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.
This simple two transistor circuit flashes a common cathode tri-colour 3-pin LED two different colours (colors).