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BadUSB Principles and STM32 HID Tutorial (Source Code and GitHub Link)

Hardware Resources BadUSB Principles and STM32 HID Tutorial (Source Code and GitHub Link)

What is BadUSB? Using the STM32F407 development board, we’ll study HID device development and implement a low-cost BadUSB. This article uses the development board for testing. Those with the means can also create a PCB prototype and print the enclosure to create a highly realistic BadUSB.BadUSB is an attack that masquerades as a USB HID…

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Ferrite Beads vs 0Ω Resistors and Inductors — Which to Use for Single-Point Grounding?

Hardware Resources Ferrite Beads vs 0Ω Resistors and Inductors — Which to Use for Single-Point Grounding?

Many engineers and hobbyists often confuse the applications of ferrite beads, 0Ω resistors, and inductors.In our previous discussion, we compared these three basic components from four perspectives—appearance, schematic symbols, internal structure, and practical applications (Ferrite Beads vs 0Ω Resistors: Principles, Characteristics, and EMC Application Guide). However, one question remained unanswered: When implementing single-point grounding, should…

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Ferrite Beads vs 0Ω Resistors: Principles, Characteristics, and EMC Application Guide

Hardware Resources Ferrite Beads vs 0Ω Resistors: Principles, Characteristics, and EMC Application Guide

There’s a small component that can be used just like a 0Ω resistor, but it can also function like an inductor.Can you guess what it is? Yes—it’s the ferrite bead. Today, we’ll explore ferrite beads in detail. To make things easier to understand, we’ll compare ferrite beads directly with 0Ω resistors. 1. Appearance Let’s first…

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Hardware Resources In the last three days
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