Software meets hardware.
Code, circuits, hydraulics, and the things that connect them.
Projects and practical notes by Jon.
From the workbench
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Sea-Doo Speedster 787 – Slow Cranking Starter Motor Fix
I’ve got a 1999 Sea-Doo Speedster with twin Rotax 787 engines, and one thing I’ve learned from owning it is that slow cranking isn’t always caused by a…
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Our electrolux washer dryer is OK, but its getting noisier, and the buttons are terrible 😭
We love what this Electrolux washer-dryer can do. Its buttons are atrocious: Start needs an OK chaser, and the useful cycle-time breakdown vanishes.
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Let One Guest Wi-Fi TV Reach a Jellyfin Server
How to keep guest Wi-Fi isolated while allowing one known TV to reach a Jellyfin server through a narrowly scoped Omada EAP ACL.
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Gmail’s Smaller Web Inbox: Why Gradual Feature Cuts Can Push Users Away
Gmail is ending web features for third-party email accounts in January 2027. What the change means, what remains available, and why gradual feature cuts can erode trust.
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Back Up, Update, and Recover a Mailcow Server
Commands and a recovery plan for backing up Mailcow, updating it safely, and restoring after server loss.