Click on the arrow and the “blue text” to follow us! Sensor 2 – LM35D Temperature Sensor 1. Physical Diagram of the Sensor Physical Diagram 1 Introduction: LM35 is a temperature sensor produced by National Semiconductor, with an output voltage based on the Celsius scale. LM35 is a widely used temperature sensor. Due to its … Read more
The smart dustbin using Arduino and ultrasonic sensor is an innovative IoT project that simplifies waste management. First, it uses an ultrasonic sensor to detect nearby objects. Then, a servo motor automatically opens and closes the lid. Therefore, this contactless design promotes better hygiene and perfectly fits with the growing trend of modern IoT solutions. … Read more
The ESP32 chip, known for its powerful capabilities and low cost, has become the preferred choice for IoT developers. However, updating device firmware often requires physical contact, significantly increasing maintenance costs and inconvenience. To address this issue, the ESP32_BLE_OTA_Arduino library was born, providing a convenient and efficient Bluetooth Low Energy (BLE) wireless firmware upgrade solution, … Read more
!! Note of Pitfall !! Documenting the painful experiences of a beginner Device ESP32-CAM 12E (purchased very cheaply on certain platforms), be sure to buy one with a charging port and no soldering required, otherwise it can be easily damaged if you’re not familiar with it. Development Tools Arduino IDE 2.32, VS2022 (.Net 7) Programming … Read more
Chapter 1 Overview (Author: Xiao Bo QQ463431476) (Source: http://blog.chinaaet.com/zhaocundang blog) 1.1 Design Background and Significance The design of the Android IoT system mainly aims to solve the integration of Android mobile phone APP with smart hardware, combining the Internet with household appliances used in daily life. Similar to smart homes, the future development relies heavily … Read more
Click the above Front-End Q, follow the public account ReplyJoin Group, join the Front-End Q technical exchange group About the text, Author: Dreyas Link: https://juejin.cn/post/7203180003471081531 image-20230104162825029 The above image is an online temperature and humidity visualization project I worked on for a week. It shows the temperature and humidity trends for the previous day and … Read more
Every day, a large number of IoT devices that have not undergone rigorous security testing are connected to our lives. We must realize that this is a process of gradually accumulating risks. Just as we require vehicles on highways to comply with safety standards and undergo annual inspections to ensure traffic safety, there are no … Read more
The development of the Internet of Things (IoT) is extremely rapid, with billions of devices emerging every year. These devices serve various purposes and utilize a range of wireless technologies from RFID to wide area networks. Battery life is a critical factor in determining the success of many IoT applications; beyond economic impacts, long battery … Read more
Follow+Star public number, don’t miss wonderful content Compilation | strongerHuang WeChat Public Account | Embedded Column The rapid development of the Internet of Things in recent years, everyone must have seen it, because of the Internet of Things, C language has become the most popular language (JAVA has always been the leader in previous years). … Read more
“ The era of the Internet of Things is quietly approaching. From routers, smart speakers, and refrigerators to cars and industrial equipment, more and more items are connecting to the Internet. However, the rapidly developing IoT brings convenience while also posing security risks, becoming a pain point in the development of the IoT industry. ” … Read more