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Introduction to PIR Sensors PIR (Passive Infrared) sensors are electronic devices that detect motion by measuring changes in the infrared radiation emitted by objects in[…]

Introduction to XY Plotters An XY plotter, also known as a pen plotter or a flatbed plotter, is a computer-controlled drawing machine that uses a[…]

Introduction to Raspberry Pi 4 The Raspberry Pi 4 is the latest iteration of the popular Raspberry Pi series of single-board computers. It was released[…]

Introduction to Yocto Project The Yocto Project is an open-source collaboration project that provides templates, tools, and methods to help you create custom Linux-based systems[…]

What is a Li-Po Battery? A Li-Po battery is a rechargeable battery that uses a polymer electrolyte instead of a liquid electrolyte like in Li-ion[…]

Introduction to the ESP-12E Wi-Fi Module The ESP-12E is a popular, low-cost Wi-Fi module that has revolutionized the world of IoT (Internet of Things) and[…]

What is the HC-SR501 PIR Motion Sensor? The HC-SR501 is a low-cost, easy-to-use PIR motion sensor module that detects the presence of moving objects by[…]

What are Passive Infrared (PIR) Sensors? A passive infrared sensor (PIR Sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in[…]

Introduction to Controlled Impedance PCB In today’s high-speed electronic devices, signal integrity is of utmost importance. As the demand for faster data transmission rates and[…]

What is a Signal Injector? A signal injector, also known as a tone generator or audio signal generator, is a compact, handheld device that outputs[…]