KBI Module of NXP Microcontrollers

KBI Module of NXP Microcontrollers

NXP microcontrollers (such as Kinetis and LPC series) feature a module related to keyboard input called KBI (Keyboard Interrupt Module), which implements most of its functions that can also be achieved by microcontrollers from other brands. The difference is that the latter consumes more software or hardware resources (besides the MCU), and to highlight versatility, … Read more

From 51 to STM32: How Microcontrollers Lead the Hardware Revolution in the Smart Era?

From 51 to STM32: How Microcontrollers Lead the Hardware Revolution in the Smart Era?

In today’s rapidly developing fields of artificial intelligence and the Internet of Things, microcontrollers (Single Chip Microcontrollers) still play an indispensable role. Whether in smart homes, industrial automation, or wearable devices, microcontrollers remain the “unsung heroes” of the hardware world. Today, we will discuss the “hardcore strength” of microcontrollers and how they have become the … Read more

Why Use a Driver Between Microcontroller and Motor Control?

Why Use a Driver Between Microcontroller and Motor Control?

Many students are puzzled when controlling motors, as the microcontroller pins can output high and low levels. Why can’t we connect the motor directly to make it turn? Why is a driver necessary? What is its purpose? There are so many different driver models. Is it possible to operate without one? Today, let’s discuss this. … Read more

In-Depth Analysis of Microcontroller Architecture Features

In-Depth Analysis of Microcontroller Architecture Features

1. Core Architecture Features 1. System on Chip (SoC) Integration Module Aggregation: Integration of CPU, RAM, ROM, I/O, timers, ADC/DAC, etc. on a single chip Typical Case: STM32F407 integrates ARM Cortex-M4 core + 1MB Flash + 192KB RAM + rich peripherals 2. Memory Structure Program Memory (ROM/Flash)▶ Stores firmware (e.g., LED control code)▶ Capacity: 8KB~2MB … Read more

Obstacle Avoidance Car Based on 51 Microcontroller

Obstacle Avoidance Car Based on 51 Microcontroller

Obstacle Avoidance Car Based on 51 Microcontroller PART 010151 Minimal System Board For the 51 microcontroller, simply add a crystal oscillator between XTAL1 and XTAL2, and connect a capacitor to ground on each side of the crystal. The microcontroller has an inverter inside, and with the capacitor and crystal, it can oscillate. Reset is done … Read more

letter-shell: A Powerful Embedded Shell | A Debugging Tool for Microcontrollers

letter-shell: A Powerful Embedded Shell | A Debugging Tool for Microcontrollers

Introduction: Are you still struggling with information blockage and low efficiency during microcontroller debugging? Are you frequently plugging and unplugging serial cables, modifying code, and reprogramming? Today, we proudly introduce a “Swiss Army Knife” level debugging tool tailored for embedded developers—letter-shell! It allows you to debug your microcontroller applications in real-time, flexibly, and efficiently, just … Read more

Beginner’s Comprehensive Learning Path for Embedded Systems + Interview Question Bank

Beginner's Comprehensive Learning Path for Embedded Systems + Interview Question Bank

“Is embedded development difficult?”“No direction, not sure where to start?”“Can’t find suitable materials?” Don’t worry! This article is tailored forthose who want to get startedin embedded systems. We have compiled a completeembedded learning roadmap + interview question bank + written test resources to help you start from scratch and easily get into the field! 📚 … Read more

Proteus 8.13 Download and Installation Guide

Proteus 8.13 Download and Installation Guide

Download Software 1. Software Name:Proteus 2. Software Version: 8.133. Software Size: 449 MB4. System Requirements: Windows 7/Windows 10/Windows 11 (64-bit system) 5.Download link from Quark Cloud Disk: https://pan.quark.cn/s/e72f8befd7ad Access Quark on mobile to get 1TB of free space It is recommended to save the resources first and then download. This prevents data loss and reminds … Read more

The Hardware Composition of the ESP32 Chip

The Hardware Composition of the ESP32 Chip

ESP32: The Internet of Things Universe in a Chip, Unveiling the “Contradiction” Art of Chinese Chips Sold at a cabbage price, operated with the heart of selling white powder—when this 8 yuan Chinese chip was used by NASA in the Mars greenhouse experiment, even Intel engineers exclaimed: “It is redefining the philosophical boundaries of chip … Read more