As part of his computer science curriculum at Texas A&M University in the early 2000s, [Paul Krizak] took a computer architecture course on the basics of their functioning. This and …read more (https://hackaday.com/2024/02/27/wire-wrap-odyssey-a-7400-series-homebrew-8-bit-computer/)

ESP32 Weather Station Looks Great With Color E-Paper Display
https://hackaday.com/2024/02/28/esp32-weather-station-looks-great-with-color-e-paper-display/

[educ8s.tv] has built weather stations before, but his latest is his best yet. It’s all thanks to its low-power design, enabled by its e-paper display. The build is based around …read more (https://hackaday.com/2024/02/28/esp32-weather-station-looks-great-with-color-e-paper-display/)

Avoid I2C Address Conflicts On ESP32 By Pin Muxing
https://hackaday.com/2024/02/28/avoid-i2c-address-conflicts-on-esp32-by-pin-muxing/

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/