Programmable logic controllers are widely used in industrial automation systems to control machinery, monitor sensors, and manage manufacturing operations. Although PLCs provide reliable machine ...

This noise generator has an adjustable bandwidth and a consistent amplitude no matter what bandwidth is selected. When working on a recent Design Idea for an adjustable filter, I wanted to use an ...

The Intel 80386 is a rather fascinating slice of computer history. It marked the first 32 bit X86 processor, and was a staple ...

It’s little secret that stepper motors are everywhere in FDM 3D printers, but there’s no real reason why you cannot take another type of DC motor like a brushless DC (BLDC) motor and use that instead.

Microwave Doppler sensors are used alongside pyroelectric infrared sensors as human presence sensors. They emit microwaves and detect moving objects from the burst signals (Doppler signals) reflected ...

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The system detects motion after shop hours and activates an alarm with different alert levels. It also flashes LEDs, logs motion events, and is designed to support Telegram notifications when deployed ...