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K30 CO2 sensor module I2C Library This is an Arduino Library for K30 CO2 NDIR module from Senseair. The sensor module is connected to Arduino using I2C. The sensor module is powered by an external ...

Arduino Uno – Powered Parking Guidance System with Ultrasonic Sensors" is a smart and innovative solution for simplifying the parking process in crowded urban environments. This paper leverages the ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

The new compact digital compass with PCB fluxgate sensors and accelerometers will be introduced in this contribution. Competitive low-cost, low-accuracy compasses are dedicated for measurement in ...

Other hardware changes include an RGB multicolor LED backlight, a second microphone, a compass sensor, and a screw-mounted back cover.

Other features include a multicolor LED backlight, a compass sensor, dual microphones, heart rate monitoring, step tracking, sleep tracking, a speaker, and waterproofing.

The Pebble Time 2's front, rear and buttons will be made using 316 stainless steel. It will also have a multicolor RGB LED backlight, compass sensor and screw-mounted back cover.

Plus, the company is adding a multicolor RGB LED backlight, a second microphone (to aid with a potential environmental noise-cancellation feature), a compass sensor, and a screw-mounted back cover.

We've tested several smart thermostats from the biggest brands to help you find the best thermostat for your needs.

Ultrasonic fingerprint sensors are taking smartphone security to the next level, offering reliable and fast unlocking even in less-than-ideal conditions. If you’re interested in experiencing ...