This simple fire alarm circuit uses a smoke sensor, a piezo buzzer for audible alerts, and an LED for visual signaling. When the smoke sensor detects the presence of smoke or gases, it sends a signal ...

How to use a Active buzzer with Arduino? Now that we know what active buzzer are, let’s go over how to connect one to your Arduino. Components required An active buzzer Arduino board Breadboard Jumper ...

If there is a dead WS2812B LED in the strip, the LEDs after this dead LED might not work. If that’s the case, replace or bypass the faulty LED. Interfacing Neopixel Strip with Arduino . The following ...

Advanced Traffic Light System Refer to the detailed circuit diagram (Advanced-Circuit.png or Advanced-Circuit-Detailed.pdf) to wire your components: Add the buzzer and request LED as shown in the ...

A transistor tester can be a handy addition to your electronics workbench.This versatile transistor tester design, first presented a decade ago, enables you to quickly assess the functionality of ...