π§ Tool of the Week
Sigrok / PulseView Open, cross-platform logic-analyzer + basic oscilloscope frontend that turns cheap USB LAs into usable debugging tools β great for protocol sniffing and quick captures on embedded boards. π PulseView user manual / sigrok (PDF). (sigrok.org)
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π Deals & Finds
- Waveshare 2.9" eβPaper module (296Γ128)
β cheap, well-documented eβpaper panels for Pico/ESP projects; good for low-power displays and info widgets. π Waveshare 2.9" product page. (waveshare.com)
- SEGGER J-Link Software & Docs (downloads)
β if you use J-Link probes, keep the pack up to date; useful for stable debug on a wide set of MCUs. π SEGGER J-Link downloads. (segger.com)
- OpenOCD (user guide / release v0.12)
β OpenOCD 0.12.x has better support for recent targets; handy if you prefer open debug stacks. π OpenOCD user guide / release notes. (openocd.org)
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π§ͺ Cool Build
STM32 handheld with OpenGL β "GK handheld" A compact STM32MP2-based handheld that runs emulators and OpenGL-accelerated titles β neat example of squeezing a capable GUI/graphics stack into an MCU-class platform; good reference for display/driver tradeoffs and using STM32MP series for handhelds. π Hackaday writeup (June). (hackaday.com)
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π Worth Reading
- OpenOCD 0.12.0+dev user guide β quick reference for new OpenOCD features and supported transports. π openocd.org docs. (openocd.org)
- Using the USB logic analyzer with sigrok / PulseView (Digi-Key guide) β short practical guide to get a cheap USB LA talking to PulseView. π Digi-Key application note / guide (PDF). (mm.digikey.com)
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β‘ Quick Hits
- PulseView / sigrok is the easiest way to make cheap logic analyzers useful. π [PulseView manual]. (sigrok.org)
- OpenOCD 0.12+ is the current mainline user guide for on-chip debug. π [OpenOCD docs]. (openocd.org)
- Waveshareβs 2.9" eβpaper modules are cheap, documented, and available in multiple variants (with/without HAT). π [Waveshare product]. (waveshare.com)
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πΊ Cool Videos
- STM32 Handheld: demo & walkβthrough
β short demo of the handheld running emulators and showing the UI/graphics performance. π Hackaday project page / embedded video. (hackaday.com)
- Turning an old 3D printer into a vinyl cutter
β practical retrofit tutorial if you need a cheap cutting table for physical UI prototypes. π Hackaday: vinyl cutter from 3D printer. (hackaday.com)
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Notes: kept this tight and practical β tool + one build + a couple of readings you can act on today. If you want, I can swap the eβpaper find for a sub-$20 dev board or add step-by-step notes for hooking PulseView to a DSLogic/clone.