Using hardware I2C on an ESP32? Do you need to connect multiple I2C devices with the same address? Normally, you wouldn’t be able to do that without extra parts, but …read more (https://hackaday.com/2024/02/28/avoid-i2c-address-conflicts-on-esp32-by-pin-muxing/)

Air Canada’s Chatbot: Why RAG is Better Than an LLM For Facts
https://hackaday.com/2024/02/28/air-canadas-chatbot-why-rag-is-better-than-an-llm-for-facts/

Recently Air Canada was in the news regarding the outcome of Moffatt v. Air Canada, in which Air Canada was forced to pay restitution to Mr. Moffatt after the latter had …read more (https://hackaday.com/2024/02/28/air-canadas-chatbot-why-rag-is-better-than-an-llm-for-facts/)

The Photodiode You Never Knew You Had
https://hackaday.com/2024/02/28/the-photodiode-you-never-knew-you-had/

Optoelectronics hold a range of possibilities for the hardware experimenter — indeed who among us hasn’t added LEDs aplenty to our work? What many of us may be unaware of …read more (https://hackaday.com/2024/02/28/the-photodiode-you-never-knew-you-had/)

Ethernet For Hackers: Equipment Exploration
https://hackaday.com/2024/02/28/ethernet-for-hackers-equipment-exploration/

Last time, we talked about the surface-level details of Ethernet. They are fundamental to know for Ethernet hacking, but they’re also easy to pick up from bits and pieces online, …read more (https://hackaday.com/2024/02/28/ethernet-for-hackers-equipment-exploration/)

The Strange Metal Phase and Its Implications for Superconductivity
https://hackaday.com/2024/02/28/the-strange-metal-phase-and-its-implications-for-superconductivity/

The behavior of electrons and the exact fundamentals underlying the phenomenon we call ‘electricity’ are still the subject of many competing theories and heated debates. This is most apparent in …read more (https://hackaday.com/2024/02/28/the-strange-metal-phase-and-its-implications-for-superconductivity/)

Making a Dye-Sensitized Solar Cell Is Almost DIY-able
https://hackaday.com/2024/02/28/making-a-dye-sensitized-solar-cell-is-almost-diy-able/

We see plenty of solar projects here on Hackaday, but they primarily consist of projects that use an off-the-shelf solar panel to power something else. We see very few projects …read more (https://hackaday.com/2024/02/28/making-a-dye-sensitized-solar-cell-is-almost-diy-able/)

FLOSS Weekly Episode 772: Raspberry Pi From the Man Himself
https://hackaday.com/2024/02/28/floss-weekly-episode-772-raspberry-pi-from-the-man-himself/

This week, Jonathan Bennett and Elliot Williams talk with Eben Upton About the Raspberry Pi! The conversation covers the new Pi 5, the upcoming CM5, the possible Pi500, and the …read more (https://hackaday.com/2024/02/28/floss-weekly-episode-772-raspberry-pi-from-the-man-himself/)

Restoring Starlink’s Missing Ethernet Ports
https://hackaday.com/2024/02/28/restoring-starlinks-missing-ethernet-ports/