LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

Explore the often-overlooked busy pin feature of the MP3 player module (MP3-TF-16P or DFPlayer mini) in this comprehensive tutorail, ideal for hobbyists and Arduino enthusiasts. This third installment ...

SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

We've all heard that "if you want something done right, you have to do it yourself." And that’s usually fine when it comes to ...

#define MIN_INDEX FFT_INDEX(FREQ_MIN, FS, DATA_SIZE) #define MAX_INDEX FFT_INDEX(FREQ_MAX, FS, DATA_SIZE) ...

An audio spectrum analyser is an electronic instrument or device that measures and displays the amplitude of an input signal as a function of frequency. It provides a visual representation of the ...

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