If you’ve spent any time around the modified car scene in the last few years, you’ve probably heard about E85. Maybe you’ve even noticed a sweet smell emanating from the …read more (https://hackaday.com/2021/12/23/how-to-get-into-cars-e85-fuel/)

OpenCV Knows Where Your Hand Is
https://hackaday.com/2021/12/23/opencv-knows-where-your-hand-is/

We have to say, [Murtaza]’s example game in his latest video isn’t very exciting. However, the OpenCV technique he uses to track a hand and determine its distance from a …read more (https://hackaday.com/2021/12/23/opencv-knows-where-your-hand-is/)

Keynote Video: Jeremy Fielding Wants To Help You Get Moving
https://hackaday.com/2021/12/23/keynote-video-jeremy-fielding-wants-to-help-you-get-moving/

For many DIY hardware projects, the most movement it’s likely to see is when we pick the assembled unit up off the workbench and carry it to wherever it’s destined …read more (https://hackaday.com/2021/12/23/keynote-video-jeremy-fielding-wants-to-help-you-get-moving/)

Simple Upgrades Make an Old Industrial Sewing Machine New Again
https://hackaday.com/2021/12/23/simple-upgrades-make-an-old-industrial-sewing-machine-new-again/

Well, this is a pleasant surprise: it seems that industrial designer [Eric Strebel] recently got a hold of an industrial sewing machine to tackle the softer side of prototyping. What …read more (https://hackaday.com/2021/12/23/simple-upgrades-make-an-old-industrial-sewing-machine-new-again/)

WS2182s on a 6502
https://hackaday.com/2021/12/23/ws2182s-on-a-6502/

We can still remember when the WS2812 LED first came into ourconsciousness, way back in the mists of time. The timing diagrams in the datasheet-of-questionable-veracity made it sound quite tricky, …read more (https://hackaday.com/2021/12/23/ws2182s-on-a-6502/)

Fixing A Freezer Design Flaw With A Little Bit Of Heat
https://hackaday.com/2021/12/23/fixing-a-freezer-design-flaw-with-a-little-bit-of-heat/

A freezer/refrigerator combo unit with air pass-through between sections.
" data-medium-file="https://hackaday.com/wp-content/uploads/2021/12/freezer_fix_header.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/12/freezer_fix_header.jpg?w=800">As a shining example of the law of unintended consequences, [Lou] demonstrates how certain types of freezer/refrigerator combinations fail to work in a cold environment, such as a garage during …read more (https://hackaday.com/2021/12/23/fixing-a-freezer-design-flaw-with-a-little-bit-of-heat/)

Lisp in 436 Bytes
https://hackaday.com/2021/12/23/lisp-in-436-bytes/

You would assume that any programming language available back in the 1960s would be small enough to easily implement on today’s computers. That’s not always true though, since old languages …read more (https://hackaday.com/2021/12/23/lisp-in-436-bytes/)