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 ...

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 ...

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 ...

Figure an Arduino most matches the "Other" category. 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 ...

Circuit and working. Circuit diagram of the tricolour LED name plate is shown in Fig. 2. It can be built around Arduino Uno board (Board1) and three bicolour LEDs (BICO1-BICO2). Fig. 2: Tricolour LED ...