Tag: Audio
Ultrastable UHF transmitter – A super Tiny Radio Transmitter
Dire situations require unpleasant solutions, an excellent example of this statement is spying and we have seen what the NSA has done in this regard. It goes against proper ethical character, however, it might be needed in certain circumstances. Usually, the first thing a person who wants...
Continue ReadingESP32-LyraT – An Open Source Development Board For Smart Audio Applications
Espressif systems has been working on different audio applications including smart speakers. Despite the fact that they have been developing their audio applications, as of February 2018, none of ESP32 software development kits was easily accessible and the hardware kits were not able to...
Continue ReadingOpen Source Ethernet Audio Broadcaster
Luca Pascarella @ open-electronics.org presents how to setup their open source ethernet broadcaster. He writes: Recently, we have presented an Ethernet audio streaming unit. In particular, we have shown how to configure the boards to work with other similar devices or with VLC Media...
Continue ReadingDigital UV-meter with OLED Display
techn0man1ac @ instructables.com build a nice VU meter using Arduino and an OLED display. Hello, instructable. Today I will tell you how to make a simple digital VU meter (sound level meter) using Arduino and OLED displays and 2 resistors by yourself (DIY). The device is quite simple,...
Continue ReadingPiSound – Audio Card For Raspberry Pi
by blokas.io: pisound is an ultra-low latency high-quality soundcard and MIDI interface specially designed for Raspberry Pi pocket computers. Equipped with 192kHz 24-bit Stereo Input and Output driven by the legendary Burr-Brown chips, DIN-5 MIDI Input and Output ports,...
Continue ReadingSoundDuino 3, The Latest Sound Shield for Arduino
The electronics engineer and microcontroller programmer expert, Masih Vahida has launched his latest SoundDuino Arduino shield product: SoundDuino 3! SoundDuino is a WAV Sound Player & Recorder Shield for Arduino. This sound shield let you record and play sound files to or from a...
Continue ReadingThe SilentSwitcher, A Quiet Mains-free Power Supply
Audio projects become smaller over time with the rapid advancement of technology. A traditional power supply is still considered large compared to audio projects size constraints and it may not fit such delicate applications that need to deliver a good sound with zero noise. Jan...
Continue ReadingHow to Build a Class-D Power Amp
Cezar Chirila @ allaboutcircuits.com shows how to build a Class-D amplifier which has amazing efficiency. What is a Class-D audio power amplifier? The answer could be just a sentence long: It is a switching amplifier. But in order to fully understand how one works, I need to teach...
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