Building a Digital Music Player with I2S?! What is I2S! EB#45

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Building a Digital Music Player with I2S?! What is I2S! EB#45

Let’s imagine you have a microcontroller board like this ESP32 and you just recorded an awesome sound clip that sounds like this: “Stay Creative!” Now of course you want to playback this sound with the help of the ESP32, so what do you do? Well, the input side is pretty straightforward by simply adding a micro SD card breakout board to the ESP32 through its SPI interface. Due to this fast data line, all the bits of the original audio file can be read by the ESP32 […]

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Saleae Logic Analyzer Alpha 2 and how software is eating the instrument world

Ralph Business, Christmas

The other day I came across a Google Photos memory that took me back to my travels to a beautiful beautiful country called Chile almost 7 years ago. I had a rare chance to visit one of the largest instruments on earth in the middle of the Atacama Desert called the Paranal Observatory, the big ground-based telescope. Astrophysicists, cosmologists, and scientists all around the world use these telescopes to probe the skies and beyond in the universe. Now after visiting the insides of these large […]

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