Category: Hardware
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EasyEDA Standard vs Pro: Shortcut Cheat Sheet
A practical shortcut matrix for EasyEDA Standard and Pro, including the key differences in net labels, PCB routing, vias and copper pours.
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New TekOnline Wall Controller: Preview and Launch Updates
Preview the upcoming TekOnline touchscreen wall controller. Targeting early November 2026; subscribe for development and availability updates.
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Windows 11 mouse stutter and loud fans on a Dell Precision 5550: specs, findings and a call for reports
Our Dell Precision 5550 mouse stutter returned on 12 October. PC specs, CPU temperatures, kernel trace findings, DisplayLink and wireless-interference research—and a call for comparable experiences.
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TekOnline 8-Zone Controller V3 Pro (V4 Hardware): Wi-Fi and Home Assistant Setup
Set up the TekOnline 8-Zone Controller V3 Pro (V4 hardware): connect Wi-Fi, add Home Assistant, calibrate travel times and use Target Open and Estimated Open controls.
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ESPHome 8-Zone Controller V2: Wi-Fi Setup and Home Assistant Adoption
How to provision the TekOnline ESPHome 8-Zone Controller V2, connect it to Wi-Fi, and adopt it in Home Assistant.
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How to Keep Hot Water Running When Home Assistant Goes Down: A Shelly Pro 1PM Fallback
A practical pattern for keeping a hot-water relay useful during a Home Assistant outage: diagnose competing automations, then move the essential schedule onto a Shelly Pro 1PM local…
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TEKONLINE 8-Zone HVAC Controller V3: ESPHome Firmware with 0–100% Damper Control
Learn how the TekOnline 8-zone ESPHome/Home Assistant V3 uses timed 24VAC damper control, 60-second calibration, direction inversion and safe alpha testing.
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24VAC Three-Wire Damper Wiring: Open, Common & Close
A quick wiring reference for standard 24VAC three-wire HVAC dampers: terminals 1–2 drive open, 3–4 common, and 5–6 drive closed.
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Descent Co-op on Two PCs: DXX-Redux Fixed Multiplayer in One Try
Descent co-op on two Windows PCs. DXX-Rebirth failed for days with network-looking symptoms. DXX-Redux joined on the first try. Plus: how co-op saves keep every player’s inventory.
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What’s new in the TekOnline 8-Zone HVAC Controller V3?
Control up to eight 24VAC HVAC dampers with ESPHome and Home Assistant. TekOnline V3 adds individual timed damper positioning, current monitoring and advanced UART expansion.