Signal & Solder · 19 June 2026

MakerSuite 3D, e‑paper builds, and the piBrick PocketCM5 kit

🔧 Tool of the Week

MakerSuite 3D

Open, inspect, and share PCB, schematic, and STEP files entirely in your browser — no upload, no account, fast 3D view and BOM price checks. Great for reviewers, mechanical checks, and quick procurement. 🔗 https://pcbviewer.app/en (pcbviewer.app)

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🛒 Deals & Finds

  • Waveshare Pico e-Paper 4.2 (400×300)

– Low-power e‑ink for Pico projects (noise-free display that persists without power). Good match for news / clock / language builds. 🔗 https://www.waveshare.com/pico-epaper-4.2.htm (waveshare.com)

  • piBrick PocketCM5 kit (open-source handheld for Raspberry Pi CM5)

– Kit ships with assembled mainboard, AMOLED flex display, keyboard and 3D printed case — practical if you want a pocket Linux dev machine. Estimated kit/parts option discussed in the coverage. 🔗 CNX Software coverage (cnx-software.com)

  • Espressif ESP32‑E22 (Wi‑Fi 6E) — Linux drivers released

– Tri‑band Wi‑Fi 6E module with starter Linux drivers now public; worth bookmarking if you build host‑connected wireless devices. 🔗 https://www.cnx-software.com/2026/06/13/espressif-esp32-e22-wi-fi-certified-certificate-an-open-source-wifi-and-bluetooth-linux-drivers/

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🧪 Cool Build

LanguageLearner — Pico W + 4.2" e‑paper bilingual news feed

Small, cheap, and instructive: Pico W wakes, fetches an RSS snippet, translates it, and updates an e‑paper screen. Good template for low‑power info displays or language flashcards. 🔗 https://github.com/0300962/LanguageLearner (github.com)

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📚 Worth Reading

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⚡ Quick Hits

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📺 Cool Videos

  • Making an analog clock with Raspberry Pi Pico + Waveshare e‑paper

– Short build demo that shows wiring, code and the e‑paper update behaviour (useful reference for Pico e‑paper projects). 🔗 https://www.youtube.com/watch?v=7izADfk7rCI (waveshare.com)

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Notes: links point to hands‑on tools, drivers, or build files only. No fluff — pick one item and try it this weekend.

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