Glowtape is a unique DIY wristwatch by Henner Zeller that uses glow-in-the-dark tape and an RP2040 microcontroller to display the time.
A technique called lock-in thermography can enhance the thermal resolution of even low-cost IR cameras, allowing for more detailed thermal imaging by periodically modulating the heat produced by a device and applying math to the captured images.
The article discusses the issue of fake and cloned electronic devices and their impact on the original manufacturers, highlighting examples of spectrum analyzers and SDR boards. It raises questions about intellectual property, open-source projects, and the ethical implications of cloning and counterfeiting.
The article discusses the concept of using building blocks in hacking projects, focusing on how PCB modules and devboards can be reused as 'building blocks' in multiple projects. It emphasizes the importance of creating modular designs for quicker and easier project development, and mentions various techniques and standards for integrating these modules.
The benefits of standardizing module footprints include using recognizable connectors to enhance interoperability and ease of use. It also touches on the practical aspects of creating building blocks, including the use of pin headers, castellated holes, and adhering to grid layouts for compatibility with breadboards.
Finally, the article highlights the broader impact of building blocks, suggesting they not only streamline development but also foster a collaborative hacker community.
The benefits of standardizing module footprints include using recognizable connectors to enhance interoperability and ease of use. It also touches on the practical aspects of creating building blocks, including the use of pin headers, castellated holes, and adhering to grid layouts for compatibility with breadboards.
Finally, the article highlights the broader impact of building blocks, suggesting they not only streamline development but also foster a collaborative hacker community.
The article discusses how ham radio has evolved in the internet age with modern technology, globalization, and digital modes transforming the hobby. It covers advancements in radio equipment, digital modes, computer logging, and the changing perspectives within the ham radio community.
The article discusses the development of an SAO (Supercon add-on) for the Hackaday Supercon badge, focusing on integrating Morse code capabilities with an RP2040-Zero module. It highlights the process from conceptualization to dealing with hardware and software challenges, including creating a custom board design and managing I2C communication.
An open-source device, kv4p HT, connects to an Android smartphone and turns it into a radio transceiver for about $35. It uses an ESP32 and transmits one watt, featuring APRS and scanning capabilities. The PCB is simple and affordable with a 3D-printed case.
Dune is a shell that combines the power of Bash with the functional programming capabilities of Lisp, designed for customizable and efficient scripting tasks. Written in Rust, Dune supports metaprogramming concepts and includes a standard library to simplify sysadmin tasks.
APL, one of the oldest computer languages, still has an active community and unique features. It uses mathematical symbols and has a strange keyboard layout but offers powerful data manipulation capabilities.
A simple explanation of waveguides, transmission lines, and related topics using real-world examples and minimal math.
