Sega Genesis Controllers on the Philips CD-i
https://hackaday.com/2026/10/21/sega-genesis-controllers-on-the-philips-cd-i/

The Philips CD-i was not popular upon its launch in 1991, and is barely acknowledged today. In the opinion of [MattKC], it had a particularly poor selection of controllers, too, …read more (https://hackaday.com/2026/10/21/sega-genesis-controllers-on-the-philips-cd-i/)

Every Type of Current Sensor Explained
https://hackaday.com/2026/10/21/every-type-of-current-sensor-explained/

Measuring electric currents is an essential element of many electrical systems, but doing so in a way that is as nonintrusive as possible is not an easy problem to solve. …read more (https://hackaday.com/2026/10/21/every-type-of-current-sensor-explained/)

Making a Five-Segment Display with Platinum-Titanium Cathodes
https://hackaday.com/2026/10/21/making-a-five-segment-display-with-platinum-titanium-cathodes/

Before the advent of effective semiconductor LEDs many display types existed to display things like numbers and other characters. The Nixie tube is a well-known one, along with VFDs and …read more (https://hackaday.com/2026/10/21/making-a-five-segment-display-with-platinum-titanium-cathodes/)

Reading QR Codes by Hand
https://hackaday.com/2026/10/21/reading-qr-codes-by-hand/

QR codes can be a handy way to send a link or contact details without all that tedious mucking about with typing in a link, but they aren’t very useful …read more (https://hackaday.com/2026/10/21/reading-qr-codes-by-hand/)

Trying to Get Linux Running on a Nokia E6
https://hackaday.com/2026/10/22/trying-to-get-linux-running-on-a-nokia-e6/

The Nokia E6 is a smartphone from back in the old days when Symbian was a thing. [fluffleswaffled] has been doing the work to get the ancient handset running Linux …read more (https://hackaday.com/2026/10/22/trying-to-get-linux-running-on-a-nokia-e6/)

Floating-Point Addition and Subtraction on Intel’s 8087
https://hackaday.com/2026/10/22/floating-point-addition-and-subtraction-on-intels-8087/

Although you can do basic floating point format operations like addition and subtraction just fine on any CPU, having specialized hardware for it can provide a significant speed boost. Here …read more (https://hackaday.com/2026/10/22/floating-point-addition-and-subtraction-on-intels-8087/)

Japan Launches Mission to Study Martian Moon
https://hackaday.com/2026/10/22/japan-launches-mission-to-study-martian-moon/