This year during the New Year, I brought back a DIY small server and set it up at home to create a resource sharing service, allowing family members to store and share some photos and videos taken with their mobile phones. However, since I’m not usually at home, if any issues or failures arise, I … Read more
First, unplug the Raspberry Pi’s power supply to ensure it is powered off while connecting external devices. If you have the operating system installed on a microSD card, you can now insert it into the Raspberry Pi. Next, plug in other external devices such as a mouse, keyboard, and monitor. Finally, connect the power supply … Read more
2024.05.07 1. Overview of Vehicle Detectors Vehicle detectors primarily target motor vehicles and are used to detect data related to vehicle passage or parking, providing sufficient information for smart parking systems to make optimal decisions. Magnetic detection is a new vehicle detection technology that primarily uses magnetic resistance sensors (xMR) to sense the magnetic field … Read more
1. Introduction This article attempts to briefly outline the development history of ARM processors, the evolution of their architecture, including the application directions of different processors. However, we will focus on the Cortex-A series and also introduce the inheritance relationships between different microarchitectures, as well as which design teams they originated from. This will likely … Read more
Click the card above to follow and learn more What is Freeduino? It is an Arduino UNO board without any circuit board. It uses a technology called freeform to interconnect components using wires or copper instead of a circuit board. It looks minimalistic and beautiful! Why did I make this? I often find it hard … Read more
Produced by | Zhixiang Open Class Instructor | Yang Ruihuan, CTO of Xiaomi Intelligent Editor | Wang Xin Reminder | Click the blue text above to follow us, and reply with the keyword CV06 to obtain the course materials. Introduction: On October 17, the “Zhixiang Open Class” launched the second season of the computer vision … Read more
Project Name: [Air Mouse][Gesture Control] BlueGo Project Author: Geek Fantasy Project Description I developed an ESP32 based “Air Mouse + Gesture Control” called BlueGo, which is even better than a mouse! Let’s scroll down to see its featured functions! Full Navigation Function Demonstration, Hardware Description, Assembly Instructions,Design Diagram,Open Source Material Download, Conclusion Function Demonstration BlueGo … Read more
【Click the above「blue words」 to follow DF Maker Community and become a tech aesthetician together】 Hello everyone, I am a 30-year-old uncle who started learning programming, DF Maker Community ID: jd3096. I am fortunate to participate in DFRobot’s call for Raspberry Pi project activities. As a self-taught MicroPython learner for two and a half years, … Read more
Looking for alternatives to the Raspberry Pi? Here are some single-board computers that can satisfy your DIY cravings. — Ankush Das The Raspberry Pi is currently the most popular single-board computer. You can use it in your DIY projects, or as a cost-effective system to learn programming, or for your convenience, run a streaming software … Read more
This project uses an Arduino UNO board connected to the MAX30102 module (pulse oximeter and heart rate monitoring module), along with an OLED display and a buzzer for BPM measurement. BPM stands for “beats per minute”, which is about 65-75 for a normal person at rest, and may drop below this during sports activities. SpO2 … Read more