Comprehensive Analysis of Interrupt Handling in ARM Cortex-M

Today, we will discuss interrupt handling in ARM Cortex-M. In embedded systems, interrupts are the core mechanism for achieving real-time responses. Imagine if there were no interrupts: • When a button is pressed, the system might be busy with other tasks and miss the response. • Incoming communication data might be lost due to untimely … Read more

How to Prevent Data Loss During Sudden Power Loss in ARM Systems?

From the small-scale power cycling and reset during controller debugging to the large-scale unforeseen shutdowns of power networks, every situation constantly tests the reliability of devices. High-end and complex control systems particularly highlight engineers’ attention to detail in their response mechanisms and protective measures against sudden power loss. NAND Flash/eMMC (NAND Flash with a Flash … Read more

How to Remotely Log into a Development Board?

In the company, some development environments (network environments, remote login environments, etc.) are set up by system engineers, and we just need to use them. However, when playing around on my own, I still have to tinker with it myself. Recently, I set up the network environment and remote login environment for my board, and … Read more

MTK8735 MediaTek 4G Quad-Core MT8382 Development Board Android ARM Core Board LTE Module Tablet Solution

The T8735 core board is a high-performance 4G smart module based on the MediaTek MT8735 platform, capable of running the Android operating system. It supports various standards including LTE-FDD/LTE-TDD/WCDMA/TD-SCDMA/EVDO/CDMA/GSM; supports WiFi 802.11a/b/g/n, BT4.0LE for short-range wireless communication, and supports GPS/GLONASS/Beidou multi-system satellite positioning; it supports various voice and audio codecs, and integrates the Mali-T720 MP2 … Read more

A Discussion on the Security and Control Risks of ARM Chips

In recent years, incidents of supply chain disruptions have become frequent. Although the recent two incidents are not directly related to our country, they inevitably evoke a sense of loss and concern. First, ARM’s cancellation of the instruction set architecture license to Qualcomm indicates that commercial reputation is worthless in the face of economic interests. … Read more

Arduino IoT Project: Uploading Temperature and Humidity Data to the Cloud with Alerts

Today, we are going to create something practical! I will teach you how to use Arduino to make a device that measures temperature and humidity. Not only can the data be uploaded to the cloud, but if it gets too humid or hot enough to fry an egg, it will also sound an alarm to … Read more

A Compact Module Supporting Bluetooth, WIFI, TF Card Reader, and Arduino: Matrix Module V1.0

Matrix Module (V1.0) is a computer peripheral that integrates various functions including Bluetooth, WIFI, and TF card reader, compatible with the Arduino platform. Whether you need a Bluetooth or WIFI adapter or Arduino control, this module can meet your needs.The chip compatible with the Arduino platform has reserved an independent micro switch and status indicator … Read more

Getting Started with Arduino UNO: Control an LED in 10 Minutes (Includes Code and Wiring Diagram)

Getting Started with Arduino UNO: Control an LED in 10 Minutes (Includes Code and Wiring Diagram) Introduction: Have you ever thought about using a small Arduino board to make an LED blink, breathe, or even dance to your code? Today, we will unlock the first magic of hardware development with Arduino UNO—controlling an LED! No … Read more

Hands-On Project: Build a Wireless Remote-Controlled Toy Car with Arduino UNO and Bluetooth Module

In today’s rapidly advancing technology, creating a toy car that can be wirelessly controlled via a smartphone not only allows us to gain a deeper understanding of electronic circuits and programming knowledge but also brings a great sense of accomplishment. Today, let’s complete this fun project using Arduino UNO and Bluetooth Module. 1. Required Materials … Read more

Comprehensive Analysis of Arduino UNO Hardware: The Hardcore Secrets of a Maker Community Evergreen

Comprehensive Analysis of Arduino UNO Hardware: The Hardcore Secrets of a Maker Community EvergreenWhy has one board been popular for 15 years? Dissecting the classic to unlock the underlying logic of the Internet of Things! 🌠 Introduction In the world of makers, there is a blue circuit board—it appears on the desks in Tsinghua University … Read more