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Overview: This tutorial demonstrates the creation of a simple infrared sensor module designed to detect reflecting surfaces. This sensor is capable of identifying reflective materials such as silver or white strips, as well as serving applications in obstacle detection...
Constructing an RFID access control circuit at home and witnessing its functionality can be a remarkable experience. While the circuit may not be considered high-tech, its low cost combined with the satisfactory results achieved demonstrates a significant level of...
The engine management system monitors its air-fuel ratio using an oxygen sensor (O2) located in the hot exhaust flow, typically positioned before the catalytic converter. All O2 sensors function similarly, with variations including heated sensors or those with multiple...
The circuit illustrated in the figure features a dashed line on the left, representing a standard lighting circuit, while the right side is responsible for the dual functionality of touch activation using the NE555 timer. Components VD1 through VD4...
The induction receiver described is highly sensitive and versatile, suitable for various applications including tracing wiring behind walls, receiving audio from an induction transmitter, detecting lightning and other electrical discharges, and monitoring devices that produce an audio magnetic field,...
A simple frequency counter circuit can be easily constructed by any electronics enthusiast for its intended purpose. The circuit diagram was provided by Mr. Kapital through an order on Fiverr. The functioning of the circuit involves generating positive voltage...
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