XDA Developers on MSN

I stopped buying smart home gadgets and started building them for a fraction of the price

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AutoGuide

The Best O2 Sensors to Keep Your Engine Running Smoothly

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...
IEEE

Dynamic Adjustment of PIR Sensor Sensitivity and Timing via Bluetooth-Controlled Resistor Switching

Abstract: This paper presents a novel approach to dynamically adjust the sensitivity and timing parameters of a Passive Infrared (PIR) motion sensor using an Arduino-based control system. Traditional ...
NBC Sports

Motor Sports

15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal. DISCLAIMER: This site and the products offered are for ...
The New York Times

The Best Electric Toothbrush

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd If you find an automated two-minute timer helpful or you need or ...
IEEE

A Method for Estimating the Direction of Arrival Without Knowing the Source Number Using Acoustic Vector Sensor Arrays

Abstract: Since it is difficult to obtain the number of sources accurately in practical situations, direction-of-arrival (DOA) estimation methods without the number of sources are very much needed for ...