Trigger a Virtual Button when CO2 levels drop
Other popular Green Light Signal workflows and automations
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Announce low CO2 levels with Tochie Speaker
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Add iOS Reminder when CO2 level is low
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Take a photo with iSpy Agent when CO2 level is low
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Log low CO2 events to Google Sheets
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Toggle LIFX lights when CO2 level is low
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Post low CO2 updates to Slack from Green Light Signal
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Play Tochie Speaker message when CO2 level drops
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Run Pushcut Shortcut When CO2 Levels Are Safe
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Automate Green Light Signal and SmartThings from your AI assistant
Ask Copilot to create Green Light Signal applets with IFTTT MCP and automate actions when CO2 emissions dip low in your region.
Set up IFTTT MCP
Create your own Green Light Signal and SmartThings workflow
Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.
23 triggers, queries, and actions
Any new motion
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device senses motion.
Brightness drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the your SmartThings device detects brightness below a value you specify.
Brightness rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the your SmartThings device detects brightness above a value you specify.
Closed
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device is closed.
Humidity drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects humidity below a value you specify.
Humidity rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects humidity above a value you specify.
If CO2 Level Is Low
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when CO2 Emissions level is low
Locked
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device is locked.
Moisture detected
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects moisture.
Opened
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device is opened.
Presence detected
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device's presence is detected.
Presence no longer detected
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device's presence is no longer detected.
Activate siren/strobe
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will activate your SmartThings alerting device's siren and/or strobe.
Deactivate siren/strobe
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will deactivate your SmartThings alerting device's siren and/or strobe.
Lock
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will lock your SmartThings devices that support locking.
Switch off
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn off your SmartThings devices that support switching off.
Switch on
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will turn on your SmartThings devices that support switching on.
Unlock
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will unlock your SmartThings devices that support unlocking.
Activate siren/strobe
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will activate your SmartThings alerting device's siren and/or strobe.
Any new motion
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device senses motion.
Brightness drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the your SmartThings device detects brightness below a value you specify.
Brightness rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time the your SmartThings device detects brightness above a value you specify.
Closed
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device is closed.
Deactivate siren/strobe
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will deactivate your SmartThings alerting device's siren and/or strobe.
Humidity drops below
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects humidity below a value you specify.
Humidity rises above
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects humidity above a value you specify.
If CO2 Level Is Low
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This trigger fires when CO2 Emissions level is low
Lock
Action
An action is the task your Applet carries out after the trigger occurs. It defines what happens as the result of your automation and completes the workflow.
This Action will lock your SmartThings devices that support locking.
Locked
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device is locked.
Moisture detected
Polling trigger
Polling Applets run after IFTTT reaches out to the trigger service and finds a new trigger event. These trigger checks occur every 5 minutes for Pro and Pro+ users, and every hour for Free users.
This Trigger fires every time your SmartThings device detects moisture.
Build an automation in seconds!
If
Select a trigger the automation will use
Any new motion
Brightness drops below
Brightness rises above
Closed
Humidity drops below
Humidity rises above
If CO2 Level Is Low
Locked
Moisture detected
Opened
Presence detected
Presence no longer detected
Switched off
Switched on
Temperature drops below
Temperature rises above
Unlocked
Then
Select an action the automation will perform
Activate siren/strobe
Deactivate siren/strobe
Lock
Switch off
Switch on
Unlock
You can add delays, queries, and more actions in the chat.
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How to connect to a Green Light Signal automation
Find an Applet using Green Light Signal and SmartThings
Find an automation to connect to, or create your own!Connect IFTTT to your accounts
Securely connect the Applet services to your respective accounts.Finalize and customize your Applet
Review trigger and action settings, and click connect. Simple as that!Upgrade your automations with
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Green Light Signal and SmartThings tips, tools, and resources
More on Green Light Signal and SmartThings
About Green Light Signal
Green Light Signal and IFTTT let you automate tasks when electricity in Great Britain has low carbon emissions.
About SmartThings
SmartThings and IFTTT let you automate your smart home by triggering actions on your lights, locks, and devices based on what's happening around you.