IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...
Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...
Abstract: This article proposed a modified structure of global navigation satellite system (GNSS) pseudointerferometric reflectometry (GNSS-PIR). The combination of the direct and reflected signals at ...
Abstract: During war fields and natural disasters like earthquakes, rescue crews struggle to find victims due to people being buried under debris, stuck in inaccessible locations, or unseen by rescue ...
The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector ...
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