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Marc Merlin

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Planning for & Handling Failures from Open Hardware, Aviation, to Production at GoogleOpen Source Summit + Embedded Linux Conference + OSPOCon 20212021-09-27
Practical rules and concrete failures: Google production uses revert first, review tags (TBR), a commit/continuous-integration queue and hardware-in-the-loop…
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I can stop adding more LEDs anytime I want, I just choose not toOpen Hardware Miniconf (LCA 2021)2021-02-18
Starts with a single tri‑color LED and ends with 49152 pixels driven by a Raspberry Pi; projects hit 1538 then 12,288 pixels on ESP8266/ESP32 before scaling to…
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I can stop adding more LEDs anytime I want, I just choose not tolinux.conf.au 20212021-01-23
Starts with a tri‑color Arduino LED and escalates to wearable and wall panels, claiming one common codebase runs across Arduino, ESP8266, ESP32 and Raspberry…
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ESP32 memory management, Neopixels, and RGBPanelslinux.conf.au 20202020-01-13
ESP32 reports 520KB spec, ~160KB usable for large global arrays, but memory is fragmented (DMA vs instruction cache regions) so big framebuffers blow out…
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Planning for and handling failures from open hardware, aviation, to production at Googlelinux.conf.au 20202020-01-13
Covers concrete failures and fixes: LiPo batteries that reignite days later and using protection boards, the Samsung Note7 root cause of slightly thicker cells…
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