Ultrasonic Transducer Guide: Frequency, Power and Range An ultrasonic transducer converts electrical energy to ultrasonic waves (>20kHz) and vice versa.... Continue reading
Speakers, amplifiers, MP3 modules, microphones and audio processing for Arduino and Raspberry Pi
WM8960 Audio Codec: High Quality Sound on Raspberry Pi The WM8960 audio codec by Cirrus Logic is a professional-grade stereo... Continue reading
Build an Audio Spectrum Analyzer with Arduino and LEDs An audio spectrum analyzer with Arduino is one of the most... Continue reading
Piezo Buzzer vs Passive Buzzer: Arduino Sound Projects When adding sound to your Arduino project, the first decision is choosing... Continue reading
Audio Amplifier IC Comparison: TDA2030 vs LM386 vs TPA3116 Choosing the right audio amplifier IC — TDA2030, LM386, or TPA3116... Continue reading
The INMP441 microphone ESP32 voice recognition combination is one of the most popular setups in Indian IoT maker projects —... Continue reading
Building a DIY Bluetooth speaker PAM8403 module project is one of the most rewarding beginner electronics projects — and with... Continue reading
The VS1053 MP3 decoder Arduino music player project produces genuinely high-quality audio — unlike the DFPlayer Mini’s limited quality, the... Continue reading
Building an ISD1820 voice recorder Arduino project is one of the most satisfying audio electronics builds — with just ₹80–₹150,... Continue reading
The I2S audio protocol ESP32 combination enables high-quality digital audio in maker projects — far superior to the noisy PWM... Continue reading
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