The 10BASE-T1 Ethernet standard is also known as ‘single pair Ethernet’ (SPE), as it’s most defining feature is the ability to work over a single pair of conductors. Being fairly …read more (https://hackaday.com/2024/02/27/underwater-sensor-takes-single-pair-ethernet-for-a-dip/)

3D-Printed Automated Development Tank For Classic Photo Films
https://hackaday.com/2024/02/27/3d-printed-automated-development-tank-for-classic-photo-films/

[packetandy] had a problem. He was still into classic analog photography, but local options for development were few and far between. After some frustration, he decided to take on the …read more (https://hackaday.com/2024/02/27/3d-printed-automated-development-tank-for-classic-photo-films/)

Wireless Telescope Guidance You Can Build On The Cheap
https://hackaday.com/2024/02/27/wireless-telescope-guidance-you-can-build-on-the-cheap/

Telescopes are fun to point around the sky, but they’re even better when you have some idea of what you’re actually looking at. Experienced sky-gazers love nothing more than whipping …read more (https://hackaday.com/2024/02/27/wireless-telescope-guidance-you-can-build-on-the-cheap/)

Blast From the Past: Schematic Templates
https://hackaday.com/2024/02/27/blast-from-the-past-schematic-templates/

If you want to draw schematics today, you probably sit down at your computer. Why not? There are a ton of programs made to do the work easily, and the …read more (https://hackaday.com/2024/02/27/blast-from-the-past-schematic-templates/)

Wire Wrap Odyssey: a 7400-series Homebrew 8-bit Computer
https://hackaday.com/2024/02/27/wire-wrap-odyssey-a-7400-series-homebrew-8-bit-computer/

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/