In this article, we will introduce a method to calculate heart rate using the analog signal output from a pulse sensor. This method has been tested and the resulting heart rate values are quite accurate, with high measurement efficiency. First, let’s introduce the pulse sensor used in this article. This sensor measures the intensity of … Read more
With the rise of maker culture and geeks, using Arduino and various electronic modules to create interesting projects has become increasingly popular. Today, let’s create a temperature detection project and experience the joy of creation. Principle of Arduino Temperature Detection The basic principle of Arduino temperature detection is to use a temperature sensor to obtain … Read more
Recently, many friends have sent messages saying they have received their desired offers, and I sincerely feel happy for you. You must believe that hard work will not be in vain.Looking at this year’s admission situation, device projects are one type of project that students applying for Interaction Design and Service Design majors are advised … Read more
Introduction: Penkēsu Computer: A DIY retro handheld Linux computer. Word count: 1363, reading time approximately: 2 minutes https://linux.cn/article-14408-1.htmlAuthor: John PaulTranslator: geekpi Have you ever wished for a handheld Linux laptop with a keyboard? If so, you’re in luck. A hardware designer has created such a device and made the design open source, allowing anyone to … Read more
Author:Anon1701, Translation: Cherry Have you ever thought about making a computer that fits in the palm of your hand? I have, so I created this small laptop that I call Pi-Micro. This is the third version of Pi-Micro, which has been in the making for nearly a year, and it is refined enough to share … Read more
The Raspberry Pi, a small computer that leads the world of makers and DIY enthusiasts, has won countless fans with its powerful scalability and low price. However, an exciting yet somewhat confusing question arises: with a dazzling array of operating system choices, which one is most suitable for my project? The officially recommended Raspberry Pi … Read more
The Raspberry Pi has always been a board I wanted to have. As someone who enjoys tinkering and has a bit of a collector’s hobby, the moment the Raspberry Pi appeared in my sight, I was amazed. Open source, powerful performance, low price, and an exceptionally large community, it must be said that the Raspberry … Read more
Tencent Digital News (Da He) The Raspberry Pi 3 is the latest version of the highly praised DIY single-board computer, which adds Wi-Fi and Bluetooth modules, yet its price remains at £32.10 (approximately 298 RMB). Now, this product looks more like a “do-it-all” circuit board. Undoubtedly, this is the best Raspberry Pi to date. For … Read more
This is an open-source motion detection camera project based on the ESP32-CAM module. It provides powerful monitoring capabilities at a low cost, making it an ideal choice for DIY enthusiasts and smart home builders. This article will detail the features, functions, and usage of this project. Main Features • Motion Detection: The core function detects … Read more
Click↑↑ for Technical Training, follow and pin to subscribe for free long-term 170,000+ followers on the industrial control WeChat platform: technical sharing, learning exchange, industrial control videos A very interesting DIY project, creating a 220V mini emergency generator, using a battery to power a lamp, let’s take a look at the expert’s operation, it’s truly … Read more