hackaday
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October 7
- Towards Solderless PCB Prototyping➀ The article discusses the challenges of using carbon-based paints for conductive applications, comparing them to the popular and expensive Bare Conductive paint. The author mentions the difficulty of finding a suitable carbon-based paint with the right consistency.➁ It explores the possibility of creating a custom conductive paste or paint that can be adjusted for stickiness and viscosity.➂ The article highlights the advantages of using a machine to apply conductive paint and assemble PCBs without manual soldering, which is beneficial for rapid prototyping.➃ It mentions alternative methods for solderless assembly, such as laser-cut parts and wire joining techniques.
September 9
- Mainframe Chip with 360MB of On-Chip Cache➀ The IBM mainframe Telum chip features eight cores running at 5.5 GHz and 360 MB of on-chip cache; ➁ The chip utilizes ten 36 MB L2 caches, one for each core, and additional caches for I/O and AI acceleration; ➂ The cache architecture includes a virtual L3 cache and an uncommitted cache block for optimal performance.
September 2
- CL-32: The Minimum Possible For A Useful Handheld Computer➀ The CL-32 handheld computer features an ESP32 as its core processor, an e-paper display, and a QWERTY keyboard housed in a smart printed case. ➁ The keyboard uses a unique dome-switch design with a hand-made membrane, a feature not commonly seen in other devices. ➂ Expansion capabilities are provided through a novel socket arrangement that allows boards to fit into a recess on the surface. ➃ Despite limited details on the software and no hardware files available yet, the project shows promise and is worth monitoring for future developments.
August 31
- Enhancing Home Automation with Human Detection➀ Explores the integration of human detection modules like LD2410C with Bluetooth into home automation systems. ➁ Discusses the challenges and benefits of automating lighting and ventilation in multi-person households. ➂ Highlights the use of Wi-Fi and Bluetooth for detecting human presence and the potential for further automation.
August 19
- Simple 3D-Printed Table Loom for Complex Weavings➀ The article discusses a modern 3D-printed table loom designed by [Fraens], featuring eight shafts for complex weaving patterns. ➁ This loom simplifies traditional weaving techniques, allowing users to experiment with various colors and sequences. ➂ [Fraens] provides detailed instructions and a video tutorial on adapting larger loom patterns to this compact model.
August 18
- DIY Gaming Laptop Built Entirely with Desktop Parts➀ Users discuss the feasibility and cost-effectiveness of building a gaming laptop using desktop components. ➁ Suggestions include using old Clevo laptops, MXM graphics cards, and custom heatsinks. ➂ There is a call for a standardized motherboard format for DIY gaming laptops.
- Roll Your Own Presence Sensor➀ A DIY presence sensor kit using a millimeter wave sensor for motion tracking and heart rate monitoring. ➁ The sensor can detect up to three people and includes an environmental sensor. ➂ The project uses an ESP32 for processing and a 3D-printed case for assembly.