September 23, 2023

[WJCarpenter] had a standard HVAC downside; not all of the rooms obtained to a cushty temperature when the heater was working to heat up their dwelling. As typically occurs with HVAC programs, the rooms farthest from the warmth supply and/or with much less insulation wanted a lift of warmth within the winter and cooling in the summertime too. Whereas [WJCarpenter] is a self-reported software program particular person, not a {hardware} particular person, you’ll take pleasure in going alongside on the journey to construct some very succesful vent boosters that require a mixture of every.

Ventbot control circuit board with ESP32 breakout in a red 3D printed case

There’s a terrific construct go browsing here, however for individuals who want extra of a correct set of directions, there’s a step-by-step information that ought to enable even a newbie {hardware} hacker to finish the undertaking over on Instructables. There you’ll discover every little thing it is advisable construct ESPHome managed, 3D printed, PC fan powered vent boosters. Whereas they are often built-in into House Assistant, we had been to study that ESPHome permits these to run stand-alone too, every utilizing its personal temperature and strain sensor.

The various iterations of {hardware} and software program present, leading to considerate touches like a startup sequence that checks for a number of suitable temperature sensors and a board format that accommodates completely different capacitor lead spacings. Alongside the way in which, [WJCarpenter] additionally graphed the noise degree of various followers operating at a number of speeds and the strain sensor readings in opposition to the temperatures to see in the event that they might be used as extra dependable triggers for the followers. (spoiler, they weren’t) There are a bunch of different tricks to discover alongside the way in which, so we extremely advocate going via all that [WJCarpenter] has shared if you wish to construct your personal or simply need some recommendations on tips on how to convert a one-off undertaking to one thing {that a} wider viewers can adapt to their very own wants.

Ventbot graphing of temperature, pressure, and fan noise

See a video after the break that doesn’t present the entire undertaking however consists of footage of the start-up sequence that exams every fan’s tachometer and the customizable ramp-up and ramp-down settings.