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These sensors focus on ease of installation and integration with systems like Alexa or Google Home. Ecobee SmartSensor 2-Pack Lowe's& more Go to product viewer dialog for this item.

Designed for industrial washdown environments, it features an IP69K rating and a 15mm sensing range. Found at Grainger Industrial Supply. ifm IG5596 Inductive Sensor ifm electronic Go to product viewer dialog for this item. buy sensors online

These room sensors communicate temperature and occupancy data to your thermostat to eliminate hot or cold spots. Retailers like Lowe's and Best Buy carry them. Eve Door & Window Wireless Contact Sensor Home Depot& more Go to product viewer dialog for this item. These sensors focus on ease of installation and

A beginner-friendly assortment containing common modules like sound, temperature, and shock sensors. Available at Micro Center. DFRobot Gravity 37 in 1 Sensor Module Kit DFRobot& more Go to product viewer dialog for this item. Found at Grainger Industrial Supply

Features a plug-and-play "Gravity" interface that simplifies wiring for sensors measuring heart rate, flame, and color. Found at DFRobot .

An all-in-one kit featuring four door/window sensors and a hub, known for its long 1/4 mile open-air range. Found at Home Depot . DIY & Hobbyist Sensor Kits