DIY: Turn an Old Smartphone or Cheap Speaker into a Low-Cost IAQ Monitor or White Noise Machine
DIYIAQHow-To

DIY: Turn an Old Smartphone or Cheap Speaker into a Low-Cost IAQ Monitor or White Noise Machine

aaircooler
2026-02-12
10 min read
Advertisement

Repurpose old smartphones and cheap Bluetooth speakers into CO2/humidity monitors and scheduled white-noise machines. Practical, low-cost DIY IAQ hacks.

Advertisement

Related Topics

#DIY#IAQ#How-To
a

aircooler

Contributor

Senior editor and content strategist. Writing about technology, design, and the future of digital media. Follow along for deep dives into the industry's moving parts.

Advertisement

Up Next

More stories handpicked for you

How to Choose the Best Smart Home Devices for Your Air Quality Needs
buying guide•14 min read

How to Choose the Best Smart Home Devices for Your Air Quality Needs

Wireless Chargers and Heat: Safe Placement to Protect Your Home and HVAC
Safety•10 min read

Wireless Chargers and Heat: Safe Placement to Protect Your Home and HVAC

Do RGBIC Smart Lamps Increase Your Cooling Bill? How to Use RGB Lighting Without Heating Your Home
Energy Saving•10 min read

Do RGBIC Smart Lamps Increase Your Cooling Bill? How to Use RGB Lighting Without Heating Your Home

From Our Network

Trending stories across our publication group

Renter-Friendly Ventilation Upgrades: Non-Invasive Ways to Improve Indoor Air Without Altering the Property
aircooler.shop
renters•8 min read

Renter-Friendly Ventilation Upgrades: Non-Invasive Ways to Improve Indoor Air Without Altering the Property

How to Choose the Right Air Cooler for Your Unique Space
aircooler.shop
Air Coolers•9 min read

How to Choose the Right Air Cooler for Your Unique Space

Seasonal Storage for Portable ACs and Fans: Prep, Clean, and Protect After the Summer (and Before Winter)
aircoolers.shop
maintenance•10 min read

Seasonal Storage for Portable ACs and Fans: Prep, Clean, and Protect After the Summer (and Before Winter)

2026-02-12T10:58:04.477Z