Bluetooth is everywhere, but it’s hard to inspect. Most of the magic is done inside a Bluetooth controller chip, accessed only through a controller-specific Host-Controller Interface (HCI) protocol, and almost …read more (https://hackaday.com/2025/12/30/39c3-liberating-esp32-bluetooth/)

Microsoft’s WebTV is Being Revived by Fans
https://hackaday.com/2025/12/30/microsofts-webtv-is-being-revived-by-fans/

WebTV, the predecessor to Microsoft’s MSN TV. This was a dedicated web browser that connected to your 200 pound projection TV. Image credit
" data-medium-file="https://hackaday.com/wp-content/uploads/2018/12/webtv.jpg?w=320" data-large-file="https://hackaday.com/wp-content/uploads/2018/12/webtv.jpg?w=320">During the 1990s, everyone wanted to surf the information super-highway — also known as the World Wide Web or just ‘Internet’ — but not everyone was interested in getting one …read more (https://hackaday.com/2025/12/30/microsofts-webtv-is-being-revived-by-fans/)

Know Audio: Microphone Basics
https://hackaday.com/2025/12/30/know-audio-microphone-basics/

A friend of mine is producing a series of HOWTO videos for an open source project, and discovered that he needed a better microphone than the one built into his …read more (https://hackaday.com/2025/12/30/know-audio-microphone-basics/)

The Confusing World Of Bus Mice
https://hackaday.com/2025/12/30/the-confusing-world-of-bus-mice/

The USB port which first appeared on our computers some time in the mid-1990s has made interfacing peripherals an easy task, save for the occasional upside down connector. But in …read more (https://hackaday.com/2025/12/30/the-confusing-world-of-bus-mice/)

Linux Fu: Compose Yourself!
https://hackaday.com/2025/12/30/linux-fu-compose-yourself/

Our computers can display an astonishing range of symbols. Unicode alone defines more than 150,000 characters, covering everything from mathematical operators and phonetic alphabets to emoji and obscure historical scripts. …read more (https://hackaday.com/2025/12/30/linux-fu-compose-yourself/)

Vice of Old Brought to the Modern Age
https://hackaday.com/2025/12/30/vice-of-old-brought-to-the-modern-age/

People say they don’t make em’ like they used to, and while this isn’t always the case, it’s certainly true that old vices rarely die with time. This doesn’t mean …read more (https://hackaday.com/2025/12/30/vice-of-old-brought-to-the-modern-age/)

Xcc700: Self-Hosted C Compiler for the ESP32/Xtensa
https://hackaday.com/2025/12/30/xcc700-self-hosted-c-compiler-for-the-esp32-xtensa/

With two cores at 240 MHz and about 8.5 MB of non-banked RAM if you’re using the right ESP32-S3 version, this MCU seems at least in terms of specifications to …read more (https://hackaday.com/2025/12/30/xcc700-self-hosted-c-compiler-for-the-esp32-xtensa/)

TULIP: The Ultimate Intelligent Peripheral for the HP-41 Handheld Calculator
https://hackaday.com/2025/12/30/tulip-the-ultimate-intelligent-peripheral-for-the-hp-41-handheld-calculator/