🔧 Tool of the Week
esptool — Espressif flasher (GitHub releases)
Small, reliable flasher and utilities for Espressif chips. Recent releases include new targets and P4/C6 improvements — useful if you flash modern ESP32 boards or build flashing automation. 🔗 https://github.com/espressif/esptool/releases. (github.com)
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🛒 Deals & Finds
- Waveshare ESP32‑P4 HMI / Dev kits
– Ready-made HMI/dev boards that pair an ESP32‑P4 with an ESP32‑C6 co‑processor. Good for display, camera, and multimedia experiments. 🔗 https://www.waveshare.com/esp32-p4-wifi6-dev-kit.htm. (waveshare.com)
- PulseView / Sigrok (downloads & nightly builds)
– Free, open UI for logic analyzers and protocol decoding; use the nightly builds for the newest hardware support (RP Pico, etc.). 🔗 https://sigrok.org/wiki/Downloads. (sigrok.org)
- sigrok‑pico (GitHub)
– Firmware + driver to turn a Raspberry Pi Pico / Pico 2 into a capable logic analyzer (good low-cost alternative). 🔗 https://github.com/pico-coder/sigrok-pico. (github.com)
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🧪 Cool Build
DIY Capacitive Touch Piano (Maker: talk & walkthrough) A practical walkthrough: copper‑foil prototype → custom 3‑octave PCB, addressable LEDs, onboard amp, and USB‑MIDI. Great if you’re stepping from a single capacitive key to a full PCB design. 🔗 https://makezine.com/article/maker-news/maker-faire/from-copper-foil-to-custom-pcb-building-a-diy-touch-piano-with-sridhar-rajagopal/. (makezine.com)
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📚 Worth Reading
- ESP‑VISION Programming Guide (Espressif) – SDK and runtime for camera/vision workloads on ESP32‑P4 (useful if you’re building lightweight vision HMI). 🔗 https://docs.espressif.com/projects/esp-vision/en/latest/esp32p4/esp-vision-en-2026.06.22-esp32p4.pdf. (docs.espressif.com)
- Containerize OpenOCD + gdb for weird vendor toolchains – practical writeup on running
openocdandgdbin containers to handle nonstandard debug adapters (handy for reproducible debug environments). 🔗 https://blog.noname-ev.de/. (blog.noname-ev.de)
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⚡ Quick Hits
- PulseView is packaged in Arch/Fedora if you prefer distro packages. 🔗 https://archlinux.org/packages/extra/x86_64/pulseview/. (archlinux.org)
- Espressif developer portal has active discussions for multimedia frameworks (ESP‑GMF / ESP‑VISION) and community BSPs. 🔗 https://github.com/espressif/developer-portal/discussions. (github.com)
- Cheap logic analyzer + PulseView still beats guessing SPI/I²C issues during bring‑up. See sigrok downloads for nightly builds with newest drivers. 🔗 https://sigrok.org/wiki/Downloads. (sigrok.org)
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📺 Cool Videos
- DIY Capacitive Touch Piano — Sridhar Rajagopal
– Talk and demo walking the build from foil keys to a 3‑octave PCB. Good for cap‑sense and PCB lessons. 🔗 https://www.youtube.com/watch?v=kRVdJG9vahc. (youtu.be)
- Sigrok Pico: Build your own logic analyzer
– Short, practical video showing how the Pico + sigrok workflow looks in practice. 🔗 https://www.youtube.com/watch?v=hJSyY0xTmz4. (youtube.com)