Espressif has unveiled its latest major chip in the form of the ESP32-E22. Officially referred to as a Radio Co-Processor (RCP), it’s intended to be used via its PCIe 2.1 …read more (https://hackaday.com/2026/01/21/espressif-introduces-the-esp32-e22-wi-fi-6e-and-bluetooth-co-processor/)

Tech in Plain Site: Finding a Flat Tire
https://hackaday.com/2026/01/21/tech-in-plain-site-finding-a-flat-tire/

There was a time when wise older people warned you to check your tire pressure regularly. We never did, and would eventually wind up with a flat or, worse, a …read more (https://hackaday.com/2026/01/21/tech-in-plain-site-finding-a-flat-tire/)

Fiber Optic Lamp Modified To Be Scarily Bright
https://hackaday.com/2026/01/21/fiber-optic-lamp-modified-to-be-scarily-bright/

[Brainiac75] is a fan of fiber optic lamps, except for one thing—they’re often remarkably dim. Thus, they set out to hack the technology to deliver terrifying amounts of light while …read more (https://hackaday.com/2026/01/21/fiber-optic-lamp-modified-to-be-scarily-bright/)

Retrotechtacular: RCA Loses Fight to IBM
https://hackaday.com/2026/01/21/retrotechtacular-rca-loses-fight-to-ibm/

If you follow electronics history, few names were as ubiquitous as RCA, the Radio Corporation of America. Yet in modern times, the company is virtually forgotten for making large computers. …read more (https://hackaday.com/2026/01/21/retrotechtacular-rca-loses-fight-to-ibm/)

FLOSS Weekly Episode 861: Big Databases with OpenRiak
https://hackaday.com/2026/01/21/floss-weekly-episode-861-big-databases-with-openriak/

This week Jonathan chats with Nicholas Adams about OpenRiak! Why is there a Riak and an OpenRiak, which side of the CAP theorem does OpenRiak land on, and why is …read more (https://hackaday.com/2026/01/21/floss-weekly-episode-861-big-databases-with-openriak/)

Repair and Reverse-Engineering of Nespresso Vertuo Next Coffee Machines
https://hackaday.com/2026/01/21/repair-and-reverse-engineering-of-nespresso-vertuo-next-coffee-machines/

Akin to the razor-and-blades model, capsule-based coffee machines are an endless grind of overpriced pods and cheaply made machines that you’re supposed to throw out and buy a new one …read more (https://hackaday.com/2026/01/21/repair-and-reverse-engineering-of-nespresso-vertuo-next-coffee-machines/)

Driving A DAC Real Fast With A Microcontroller
https://hackaday.com/2026/01/21/driving-a-dac-real-fast-with-a-microcontroller/

Normally, if you want to blast out samples to a DAC in a hurry, you’d rely on an FPGA, what with their penchant for doing things very quicky and in …read more (https://hackaday.com/2026/01/21/driving-a-dac-real-fast-with-a-microcontroller/)

Simulating Pots with LTSpice
https://hackaday.com/2026/01/21/simulating-pots-with-ltspice/