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Control Everything
Published © GPL3+

Smart Thermostat controlled HVAC Duct Damper

Control the flow of air to a room you don't use that often by shutting off the duct supplying air to the room.

IntermediateFull instructions provided2 hours10,451
Smart Thermostat controlled HVAC Duct Damper

Things used in this project

Hardware components

HVAC Duct Damper
×1
I²C Shield for Particle Photon
×1
MCP9803 High Accuracy Temperature Sensor ±0.5°C at +25°C I²C Mini Module
×1
Photon
Particle Photon
×2
High-Power Relay Shield for Particle Photon I²C 1-Channel SPDT 10-Amp
ControlEverything.com High-Power Relay Shield for Particle Photon I²C 1-Channel SPDT 10-Amp
×1

Software apps and online services

Mobicle

Story

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Schematics

Schematic

Wire the transformer and duct baffle to your relay controller as shown.

Code

Duct Relay Controller Firmware

This is the code(duct-relay) that we flash into the relay controller which operates the electronic Duct Damper.

Duct Thermostat Firmware

This is the firmware we will flash into the Particle Photon connected to the MCP9803 temperature sensor mini module.

Credits

Control Everything

Control Everything

14 projects • 203 followers
Control Everything develops control electronics for all popular IOT platforms. Take a look at www.controleverything.com

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