Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn how to safely integrate an active buzzer into Arduino projects through this detailed 33-minute video tutorial. Master the crucial technique of using transistors to control high-current components like buzzers and motors while protecting the Arduino R4's GPIO pins, which are limited to 8 milliamps output. Explore practical circuit building, component selection, and proper wiring techniques that prevent damage to your microcontroller. Gain essential knowledge about current limitations, transistor-based control circuits, and best practices for powering external devices through hands-on demonstrations and clear explanations.