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Tag Archives: reblog
SatCat5: UART, SPI And I2C Via Ethernet With FPGA-Based Design
To the average microcontroller, Ethernet networks are quite a step up from the basic I2C, SPI and UART interfaces, requiring either a built-in Ethernet MAC or SPI-based MAC, with tedious translation between Ethernet and those other interfaces.
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Radios, how do they work?
Radio communications play a key role in modern electronics, but to a hobbyist, the underlying theory is hard to parse. We get the general idea, of course: we know about frequencies and can probably explain the difference between amplitude modulation and frequency modulation.
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Un flipper numérique maison sous AMD Ryzen et Raspberry Pico
Un certain Wim Dewijngaert est passionné par ce jeu particulier qui a peu a peu disparu de l’espace public.
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Growing as an FPGA Developer
I get asked pretty often about how to get into FPGA design or how to become a good or even great FPGA developer. Since I get asked quite often, I decided to put my thoughts down here instead of typing it out again and again forever. I hope what I write here will help you on your journey.
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Unconventional uses of FPGAs
My favorite phenomenon in digital circuitry is when digital threatens to become analog again. For example, a lot of people are interested in the idea of overclocking an FPGA for more performance and are usually encouraged not to do so.
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The Perils Of Return Path Gaps
The radio frequency world is full of mysteries, some of which seem to take a lifetime to master.
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Hacking An Actual WiFi Toothbrush With An ESP32-C3
Following on the heels of a fortunately not real DDoS botnet composed of electric toothbrushes, [Aaron Christophel] got his hands on a sort-of-electric toothbrush which could totally be exploited for this purpose.
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nickbild/local_llm_assistant
The World’s Easiest GPT-like Voice Assistant uses an open-source Large Language Model (LLM) to respond to verbal requests, and it runs 100% locally on a Raspberry Pi. See it in action here.
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Benchmarking Latency Across Common Wireless Links For MCUs
Although factors like bandwidth, power usage, and the number of (kilo)meters reach are important considerations with wireless communication for microcontrollers, latency should be another important factor to pay attention to.
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