Trace Tracing to the Tunes
<img width="800" height="308" src="![image](https://hackaday.com/wp-content/uploads/2025/12/beep.png?w=800")
alt=""/>Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ohm meter, but sometimes you don’t care about 
alt=""/>Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ohm meter, but sometimes you don’t care about Hackaday
Trace Tracing To The Tunes
Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ohm meter, but sometimes...
Hackaday
Trace Tracing To The Tunes
Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ohm meter, but sometimes...
![image](https://hackaday.com/wp-content/uploads/2025/12/amiga-coprocessor-main.png?w=800")
alt=""/>The invention of sprites triggered a major shift in video game design, enabling games with independent moving objects and richer graphics despite the limitations of early video gaming hardware. As 
![image](https://hackaday.com/wp-content/uploads/2025/12/images_medium_nl5c04468_0005.gif?w=500")
alt=""/>Although rare-earth elements (REEs) are not very rare, their recovery and purification is very cumbersome, with no significant concentrations that would help with mining. This does contribute to limiting their 
![image](https://hackaday.com/wp-content/uploads/2025/12/clock_prototype_board-banner.jpg?w=800")
alt="Interconnected circuits for controlling the clock"/>We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train Station Clock which has been refurbished after being picked 
![image](https://hackaday.com/wp-content/uploads/2025/12/LoRaYagi.png?w=690")
alt="The yagi, suction-cup mounted to a wall"/>If you’re a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol more generally. LoRa is a great, low-power radio communications 
![image](https://hackaday.com/wp-content/uploads/2025/10/Linux_netfilter_connection_table_cloudflare.png?w=800")
alt=""/>Courtesy of the complex routing and network configurations that Cloudflare uses, their engineers like to push the Linux network stack to its limits and ideally beyond. In a blog article 
![image](https://hackaday.com/wp-content/uploads/2015/04/biomedical.jpg?w=800")
alt=""/>Humans have lots of basic requirements that need to be met in order to stay alive. Food is a necessary one, though it’s possible to go without for great stretches 
![image](https://hackaday.com/wp-content/uploads/2018/05/printering.jpg?w=800")
alt=""/>A friend of mine and I both have a similar project in mind, the manufacture of custom footwear with our hackerspace’s shiny new multi-material 3D printer. It seems like a 
![image](https://hackaday.com/wp-content/uploads/2019/10/LinuxMarketing.jpg?w=800")
alt=""/>Although flying well under the radar of the average Linux user, D-Bus has been an integral part of Linux distributions for nearly two decades and counting. Rather than using faster 
![image](https://hackaday.com/wp-content/uploads/2025/12/528600594-1aa07578-f1d4-4f93-a6e0-61c9c6e856b4-banner.png?w=800")
alt="Chamber-Master"/>Having an enclosed 3D printer can make a huge difference when printing certain filaments that are prone to warping. It’s easy enough to build an enclosure to stick your own 
![image](https://hackaday.com/wp-content/uploads/2025/12/datsun-engine-main.png?w=800")
alt=""/>Although Nissan has been in the doldrums ever since getting purchased by Renault in the early 2000s, it once had a reputation as a car company that was always on 
![image](https://hackaday.com/wp-content/uploads/2025/12/FJMGBZAMIRS8U31-e1766523329618.jpg?w=800")
alt=""/>The worst thing about the getting people together is when everyone starts fighting over their favourite map projection– maybe you like the Watterman Butterfly, but your cousin really digs Gall-Peters, 
![image](https://hackaday.com/wp-content/uploads/2025/12/TULIP4041.png?w=800")
alt="Schematic for the TULIP4041"/>[Andrew Menadue] wrote in to let us know about the TULIP-DevBoard and TULIP-Module being developed on GitHub. TULIP is short for “The Ultimate Intelligent Peripheral” and it’s an everything expansion 
![image](https://hackaday.com/wp-content/uploads/2025/12/xcc700_demo_valentyn_danylchuk.jpg?w=800")
alt=""/>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 
![image](https://hackaday.com/wp-content/uploads/2025/12/When-you-ask-an-Engineer-to-Restore-a-Vise-30-13-screenshot.png?w=800")
alt="refurbished baby blue vice next to its refurbisher"/>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 
![image](https://hackaday.com/wp-content/uploads/2020/05/LinuxFu.jpg?w=800")
alt=""/>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. 
![image](https://hackaday.com/wp-content/uploads/2025/12/bus-mouse-featured.jpg?w=800")
alt=""/>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 
![image](https://hackaday.com/wp-content/uploads/2021/06/Audio.jpg?w=800")
alt=""/>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 
![image](https://hackaday.com/wp-content/uploads/2018/12/webtv.jpg?w=320")
alt=""/>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 
![image](https://hackaday.com/wp-content/uploads/2025/12/linux_on_playstation_2_action_retro_youtube.jpg?w=800")
alt=""/>Until the 2000s, game consoles existed primarily to bring a bit of the gaming arcade experience to homes, providing graphical feats that the average home computer would struggle to emulate. 