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Best sensors - Black Friday 2025

Last Updated - November 23, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Xtra-Seal

Xtra-Seal Smart Sensor 17-43041 Snap in Multi-Frequency Programmable Universal TPMS Sensor (Box of 10)

Xtra-Seal

$188.00

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$188.00
2
24% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Springer
24% Off

Handbook of Modern Sensors: Physics, Designs, and Applications

Springer

$128.52

$169.99
(24% Off)

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$128.52
$169.99 (24% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ELEGOO

ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA Nano

ELEGOO

$36.99

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Main highlights
- Unleash Your Inner Maker with Our Upgraded Sensor Modules Kit - Packed with 37 essential components for your arduino projects!
- Say Goodbye to Useless Modules - Our kit includes only the best, like the GY-521 accelerometer, LCD1602 screen, and DS1307 real time clock module, etc!
- Perfect for Beginners and Pros Alike - Just remember, basic electronic knowledge is required, but we're here to help you every step of the way!
- Learn with Ease - Our upgraded tutorial is designed specifically for UNO R3, MEGA R3, and NANO - Plus, we've included a CD and listing paper for your convenience!
- 100% Compatible with Arduino Official IDE and STM32 - So You Can Get Started Right Away!
$36.99
4
20% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ecobee
20% Off

ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home

ecobee

$79.99

$99.99
(20% Off)

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- You’ll be able to see the temperature difference and occupancy in particular parts of your home and adjust right from the ecobee app for maximum comfort.
- Understands your household comings and goings, saving energy and saving you money by not heating or cooling an empty home.
- Place SmartSensor in your bedroom and say goodbye to those moments that are either too hot or too cold throughout the night.
- Knows when a room is occupied and communicates the temperature to your ecobee smart thermostat from up to a range of 60 ft, through walls and floors. This prompts your thermostat to make temperature adjustments ensuring comfort.
- It can detect unexpected motion. When Smart Security is armed, you get real-time alerts on the ecobee app, so you know what’s happening at home when you’re not there. *Requires ecobee Smart Security subscription.
- Installation is quick and easy. Place your SmartSensor, magnetically and wirelessly, at least 5ft above the floor on its satin-steel stand or on any wall using the self-adhesive wall mounting brackets
$79.99
$99.99 (20% Off)
5
Best Value
69% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Ring
69% Off

Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required

Ring

$30.00

$99.99
(69% Off)

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Main highlights
- Requires the Ring Alarm Base Station.
- Now smaller to enable increased placement options.
- Mounts to door and window frames.
- Includes two 3V CR2032 batteries.
- Get instant mobile alerts when doors and windows open in your home with a Ring Protect subscription (sold separately).
- Easy installation with no tools required.
$30.00
$99.99 (69% Off)

Best sensors - Black Friday 2025

Xtra-Seal Smart Sensor 17-43041 Snap in Multi-Frequency Programmable Universal TPMS Sensor (Box of 10)

Handbook of Modern Sensors: Physics, Designs, and Applications

ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA Nano

ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home

Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required

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HiLetgo 37 Sensor Assortment Kit for Arduino & Raspberry Pi - 37 in 1 Robot Project Starter Kit

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