This post shows you how to build a mini amplifier circuit using a common chip called the LM386. It is cheap, easy to make and can make your music player or speakers much louder. This amplifier is perfect for small projects and is not powerful enough for huge concerts, but it is a great way […]
Audio Circuits
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Simple Piezo Buzzer Circuit
This project makes sound in a whole new way. It is surprisingly easy to build and only uses a few parts: The result is a high pitched sound, kind of like a whistle. This circuit is unique because it uses the coil to make the sound keep going unlike most circuits that use resistors and […]
Simple Li-Fi Transmitter Receiver Circuit
Just imagine using light instead of radio waves for internet. Li-Fi is a technology that does exactly that. This post shows you how to build a basic Li-Fi system to send and receive information using light. The transmitter uses a common transistor and a bright LED to send the signal. The receiver uses a special […]
Building a Chirping Bird Sound Generator Circuit
Have you ever pondered the idea of having the delightful chirping of birds resonate from within your car or as a whimsical doorbell melody? The marvels of modern electronics can make this fantasy a reality. What is a Chirping Bird Sound Generator Circuit: The Chirping Bird Sound Generator Circuit is a versatile creation that allows […]
Building Your Own Electronic Organ Circuit
For as long as we can remember, music has been a huge part of our lives. And guess what? It keeps changing along with all the new technology we invent. Electronic instruments especially electronic organs, are a great example of this. They have totally transformed the way we make and listen to music. The Technology […]
Making a Sound Operated Music Bell Circuit
Have you ever wished everyday sounds could be like music? Well, with a sound operated music bell they can be! These bells use special parts to pick up noises and play a little tune instead of just ringing. You can build your own with some creativity and a few things you can buy at an […]