Electronic Scale Product Since July 2021, after about two months of intermittent efforts, the author has finally completed the installation and debugging of the smartphone electronic scale, which can measure up to 10 kilograms. During the long installation and debugging process, two technical articles from the WeChat public account “A Xuan Physics Teaching Research Room” … Read more
Source: Quantum Bit This article is about about 1826 words, recommended reading time is 4 minutes. This article introduces how to DIY a multifunctional e-ink calendar. How to make a DIY e-ink screen calendar? It can automatically refresh location and weather, and randomly display over 2000 toxic quotes. ↑↑↑ Just like this: If my life … Read more
Breadboard Community Disassembly Event， Drones, handheld oscilloscopes、 computers、 robotic vacuum cleaners、 smartwatches、 solid-state drives、 portable speakers， big and small prizes, lots of benefits, welcome to join! More details👈 [Disassembly] The Spectrum Light from My Memory Author: Maruko~, Source: Breadboard Community [Write Disassembly, Win Drone Event] I remember being interested in electronics in high school because … Read more
Electronic Cat’s Eye Electronic cat’s eye Electronic Cat’s Eye: This project is made using the ESP32-Cam and st7789-LCD color screen. It can be used as a cat’s eye in smart homes, and when the line is extended, it can also be placed in a car to help the driver view blind spots at low speeds, … Read more
01 Introduction STM32: A product released by STMicroelectronics on June 11, 2007, a 32-bit microcontroller. GD32: A product released by GigaDevice in 2013, which imitates STM32 in chip development, configuration, and naming. The GPIO pins are even pin-to-pin compatible with STM32, allowing for direct use without modifications. Sometimes, the source code for STM32 can be … Read more
Introduction OTA (Over-the-Air Technology) refers to the technology that enables remote management of mobile terminal devices and SIM card data through the air interface of mobile communications. OTA upgrades are a crucial part of the Internet of Things (IoT) product design, enabling smart devices to fix system vulnerabilities and upgrade systems, providing better services through … Read more
▲ The circuit to be analyzed in this article Many portable electronic devices with built-in lithium batteries, such as mobile phones, typically adopt the following power supply method: 1. When the USB power is not connected, it uses the built-in lithium battery for power. 2. When the USB power is connected, it switches to power … Read more
Design Guide for Intelligent Video Applications With the improvement of broadband wired and wireless network infrastructure and the growth of global security market demand, the application of video surveillance is experiencing explosive growth. The development trend of video surveillance systems is very obvious. After undergoing digitization and networking, the next important trend is intelligence, namely … Read more
Project Construction Project Batch: First Batch of 2020 Project Number: 202002142047 Project Type: New Engineering Construction Project Project Implementation Background With the arrival of the 5G era, the Internet of Things is redefining people’s lives and work styles. The “ubiquitous connection” and “ubiquitous computing” based on intelligent IoT have propelled the design and application technology … Read more
In embedded systems, on-board communication interfaces refer to the communication paths or buses used to connect various integrated circuits with other peripheral devices. The following content summarizes commonly used on-board communication interfaces: including I2C, SPI, UART, and 1-Wire: I2C Bus The I2C bus is a <span> synchronous, bidirectional, half-duplex two-wire serial interface bus</span>. Here, half-duplex … Read more