How to turn on an LED strip with a clap. Now it's all clear.
Let's take a closer look at the operating principle of a circuit that turns on an LED strip with a clap. This circuit is also called an acoustic switch. The device consists of an electret microphone that detects claps and an amplifier that amplifies the signal coming from the microphone's output. The amplified signal triggers a 555 timer chip, which serves as a pulse generator for triggering a trigger. The trigger output sends a signal to the gate of a field-effect transistor, whose drain circuit connects to an LED strip.
This video demonstrates connecting an LED strip to a 12V battery using a clap, so the strip is selected for a 12V battery. However, this circuit can also be used to connect any LED, including high-power LEDs, to any power source.
1. Acoustic Switch Detailed circuit breakdown: • Как читать и понимать электрические схемы
2. 555 Timer. Detailed breakdown of the chip's operating principle: • Как работает NE555 | Таймер 555
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