.NET IoT

129 Yuan DIY STM32 Open Source Smart AI Watch with Built-in Pedometer, Compass, NFC, Heart Rate Monitor, Temperature and Humidity Sensor, Altimeter, and Bluetooth OTA Upgrade

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129 Yuan DIY STM32 Open Source Smart AI Watch with Built-in Pedometer, Compass, NFC, Heart Rate Monitor, Temperature and Humidity Sensor, Altimeter, and Bluetooth OTA Upgrade

Contact the editor at the end of the article to obtain the project source code. OV-Watch Smart Watch is based on the STMicroelectronics STM32F411CUE6 development board and the FreeRTOS operating system, using the LVGL graphics library; gesture recognition utilizes a 6-axis MPU6050; heart rate and blood oxygen monitoring is done using the EM7028; altitude measurement … Read more

Your Smart Speaker Might Be ‘Listening’! Important Considerations When Using Smart Home Devices

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Your Smart Speaker Might Be 'Listening'! Important Considerations When Using Smart Home Devices

With the popularity of artificial intelligence and Internet of Things (IoT) technologies, smart home devices such as smart locks, robotic vacuum cleaners, and smart whole-house temperature control systems are becoming increasingly common. It is important to note that if sensitive data from smart home products is exploited by malicious individuals, it could lead to information … Read more

TinyML: An Overview of MCU Manufacturers’ Support for Edge AI

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TinyML: An Overview of MCU Manufacturers' Support for Edge AI

TinyML Market Status TinyML (Tiny Machine Learning) is a technology that runs machine learning models on resource-constrained microcontrollers and edge devices. The goal is to implement efficient machine learning algorithms on devices with low power, low memory, and low computational resources to support real-time data processing and decision-making. Remi El-Ouazzane, President of STMicroelectronics’ Microcontroller and … Read more

Comparison of RS232 and RS485 Communication Standards

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Comparison of RS232 and RS485 Communication Standards

1. Overview of RS232 and RS485 RS232 and RS485 are two widely used serial communication standards in industrial control, data acquisition, communication devices, and the Internet of Things (IoT), used for data exchange between devices. RS232, as a classic point-to-point communication standard, is suitable for short-distance, low-speed scenarios; RS485, with its multipoint communication and long-distance … Read more

From Beginner to Expert: A Comprehensive Analysis of Bluetooth Protocols

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From Beginner to Expert: A Comprehensive Analysis of Bluetooth Protocols

Bluetooth technology has permeated our lives widely: wireless headphones, smartwatches, game controllers, in-car voice systems, IoT devices… But do you really understand what Bluetooth protocols your devices support, how fast they are, and how far they can transmit? This blog will systematically guide you through the history and technical differences of Bluetooth protocols. 1. Background … Read more

Overview of Ad Hoc Networks (Soldier, Drone, Unmanned Vehicle, Relay, Radio, Equipment) with Recommendations

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Overview of Ad Hoc Networks (Soldier, Drone, Unmanned Vehicle, Relay, Radio, Equipment) with Recommendations

Introduction Definition and Core Characteristics of Ad Hoc Networks Key Technologies of Ad Hoc Networks (Routing Protocols, Topology Management, Security Mechanisms, etc.) Typical Application Scenarios of Ad Hoc Networks (Military, Emergency, IoT, V2X, etc.) Recommended Solutions Question 1: How to communicate on a battlefield without base stations? On the battlefield in Syria, a special forces … Read more

Edge Computing Technology in C Language: Data Processing on the Device Side

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Edge Computing Technology in C Language: Data Processing on the Device Side

Introduction With the rapid development of the Internet of Things (IoT) and smart devices, edge computing has gradually become an important technological trend. Edge computing refers to processing data closer to the source to reduce latency, bandwidth consumption, and improve response speed. In this article, we will explore how to implement simple edge computing using … Read more

How a Veteran Embedded Developer Learns and Uses RT-Thread Quickly

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How a Veteran Embedded Developer Learns and Uses RT-Thread Quickly

Warm Reminder This article is approximately 5000 words long, and it will take about 10 minutes to read, while skimming through will take about 5 minutes. If you like this article, please share it with your friends. For more information, please follow me. [Experience Summary] How a Veteran Embedded Developer with Nearly 10 Years of … Read more

Sensor Technology in the Internet of Things

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Sensor Technology in the Internet of Things

1. Background Introduction The Internet of Things (IoT) refers to the connection of objects and devices through the internet, enabling them to exchange information, make autonomous decisions, and work collaboratively. IoT technology plays an increasingly important role across various industries, with sensor technology being a core component of IoT. Sensor technology refers to the technique … Read more

Software Tracing in Automotive Embedded Systems

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Software Tracing in Automotive Embedded Systems

Software tracing tools are essential components in every embedded developer’s toolbox, especially when combined with advanced visualization. Most embedded systems exhibit numerous periodic repeating patterns, where the same sequences are continuously repeated. During debugging, you often want to quickly identify anomalies, that is, deviations from normal periodic behavior.However, software tracing itself is merely a form … Read more