Origin89 blogNotes from building Origin89.https://origin89.com/blog/2026-09-17T00:00:00ZOrigin89Board A on the bench: the first four dayshttps://origin89.com/blog/board-a-on-the-bench/2026-09-17T00:00:00Z2026-09-17T00:00:00ZTwo unattended nights on the first Controller board: one bad reply in 58 169 Modbus polls, a working Wi-Fi link, and the tests still to run.Why the generator start has its own boardhttps://origin89.com/blog/why-the-generator-has-its-own-board/2026-09-17T00:00:00Z2026-09-17T00:00:00ZThe Controller's main board never closes the generator's start contact itself. A second board with two relays, a hardware watchdog and no firmware does, and only while the controller keeps asking. It now holds and drops on the bench, 4.3 s after the last kick.Why we started Origin89https://origin89.com/blog/why-we-started-origin89/2026-09-17T00:00:00Z2026-09-17T00:00:00ZAn off-grid cabin at km 43 in Québec, solar gear and a generator from different makers, and no monitoring that worked with all of it.