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MQTT Retained Commands Can Replay Stale Actuator State

September 7, 2026September 7, 2026 - by TVG Editorial Team - 1 Comment

MQTT retained messages are useful for state but risky as actuator commands. Separate topics, add MQTT 5 expiry and clear legacy retained payloads.

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Sep 18, 2026 · 10:03 AM PT

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You can lose an evening to a drifting first layer, a bad profile, or a part that prints cleanly and still does not fit. TVG Report looks past headline speeds to the checks, tradeoffs, and repair paths makers actually need. #3DPrinting

Sep 17, 2026 · 10:18 AM PT

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A DS18B20 at exactly 85°C may be power-on data—not heat. Trust it after conversion completes and CRC passes. Our guide maps power mode and w1_therm checks.

Sep 16, 2026 · 3:54 PM PT

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