Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...
TOKYO--(BUSINESS WIRE)--OKI Sensor Device, an OKI Group company that develops, manufactures, and sells reed switches, has introduced the ORD872, a high-current reed switch housed in a glass tube ...
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