Is your cat always elusive at home, driving you crazy? Don’t worry! Today, we will unveil a powerful cat localization system based on BLE beacons, ESP32, and machine learning—Cat-Localizer! It can help you track your cat’s location in real-time, putting an end to the troubles of “cat searching”! How Cat-Localizer Works The core idea of … Read more
Recently, the author conducted research and found an article titled “Improvements and Applications of Light-Sensitive Resistor Experiments Based on Arduino” published in the July 2021 issue of the journal Physical Bulletin. This paper comes from Jiangsu Normal University and the Jiangsu Provincial Key Laboratory of Advanced Laser Materials and Devices. Upon studying the paper, it … Read more
Experimental Scene 1 Introduction Recently, I have been deeply researching the “hands-on” experiments in the new textbook section on “Electromagnetic Induction,” exploring the relationship between the height of a falling magnet and the maximum induced current in a coil. The first attempt used a DC ammeter to represent the maximum reading as the peak value … Read more
Source: Darwen Says This is a very complete open-source smartwatch project with full functionality and open-source documentation. If you are:an engineer who enjoys DIY, a student looking to enhance your development skills, or a senior student about to undertake a graduation project, this smartwatch is definitely worth making. Don’t miss out~~ All open-source materials and … Read more
Reporter: Liang YajiaNews Hotline: 0771-5690127Tip-off Email: [email protected] Recently, A young man from Dezhou, Shandong, born in the 1990s, named Zhao posted a video of a drone he made using chopsticks as the body, which attracted the attention of netizens. The drone costs only a few dozen yuan, and Zhao completed it in just 3 days … Read more
I picked up the soldering iron and started hand-soldering the board~~It can be described as clumsy, but the result is acceptable; the entire circuit is connected.Tomorrow, I will secure everything to the box and re-flash an ESP32 program to start the experiment. Let’s go!
Introduction In today’s rapidly advancing technology landscape, drones are no longer a novelty. Once merely a quirky toy for niche enthusiasts, they have transformed into valuable assistants in fields such as photography, agriculture, and defense. The price range is vast, from entry-level toys costing a few dozen yuan to professional high-end equipment worth millions, leaving … Read more
Introduction In the field of embedded systems, efficiency and resource optimization are crucial. Lua RTOS, as an outstanding real-time operating system, stands out due to its minimal requirements for FLASH and RAM memory. This article will detail the characteristics and functions of Lua RTOS, focusing on its compatibility with popular platforms such as ESP32, ESP8266, … Read more
When the ESP32 Development Board Meets TinyML In the intersection of the Internet of Things and artificial intelligence, the TinyML-ESP32 project has emerged as a dark horse! Supported by the Black Walnut Laboratory, this open-source project maximizes the performance of the ESP32-WROOM-32 development board, integrating hardware such as gyroscopes, microphones, and LED light groups to … Read more
Development boards are circuit boards used for embedded system development, including a series of hardware components such as central processing units, memory, input devices, output devices, data pathways/buses, and external resource interfaces. When it comes to development boards, we have to mention the king of cost-performance ratio MCU—the ESP32 development board. 1. Powerful Functions The … Read more