JFET Stands in For Triode in This Infinite Impedance Detector
https://hackaday.com/2023/02/10/jfet-stands-in-for-triode-in-this-infinite-impedance-detector/

An “Infinite Impedance Detector” might sound a little like something that [Zaphod Beeblebrox] would use to zip around the galaxy. It’s not, of course, but it is an interesting and …read more (https://hackaday.com/2023/02/10/jfet-stands-in-for-triode-in-this-infinite-impedance-detector/)

Pi Pico Breathes New Life into Original PlayStation
https://hackaday.com/2023/02/10/pi-pico-breathes-new-life-into-original-playstation/

Those gamers who were playing in the mid 1990s may retain a soft spot for Sony’s first PlayStation. The grey console was the thing to have a quarter century ago, …read more (https://hackaday.com/2023/02/10/pi-pico-breathes-new-life-into-original-playstation/)

XML Is A Quarter Century Old
https://hackaday.com/2023/02/11/xml-is-a-quarter-century-old/

For those of us who have spent entire careers working with structured data, it comes as something of a surprise to be reminded that XML is now 25 years old. …read more (https://hackaday.com/2023/02/11/xml-is-a-quarter-century-old/)

Reverse Engineering E-Ink Price Tags
https://hackaday.com/2023/02/11/reverse-engineering-e-ink-price-tags/

E-ink displays are great, but working with them can still be a bit tricky if you aren’t an OEM. [Jasper Devreker] got his hands on three e-ink shelf displays to …read more (https://hackaday.com/2023/02/11/reverse-engineering-e-ink-price-tags/)

Hackaday Berlin: In Praise of Lightning Talks
https://hackaday.com/2023/02/11/hackaday-berlin-in-praise-of-lightning-talks/

We’re in full-on prep mode for our first event in Europe in four years: Hackaday Berlin. And while we’ve got a great slate of speakers lined up, and to be …read more (https://hackaday.com/2023/02/11/hackaday-berlin-in-praise-of-lightning-talks/)

Grocery Store Robot Gets Brief Taste of Freedom
https://hackaday.com/2023/02/11/grocery-store-robot-gets-brief-taste-of-freedom/

Back in 2019, Giant Food Stores announced it would outfit each of its 172 stores in the United States with their own robot — at the time, the largest robotic …read more (https://hackaday.com/2023/02/11/grocery-store-robot-gets-brief-taste-of-freedom/)

Playing Music on a Custom Flyback Transformer
https://hackaday.com/2023/02/11/playing-music-on-a-custom-flyback-transformer/