DIY rechargeable three-speed small fan
Author: @Blue AngelDesign ideasDesign goal: Design a simple, small-sized fan control system with power management and gear control.System FrameworkConsidering th...
The UF2 bootloader of ESP32-S2 has now been merged into tinyuf2 . It is mainly aimed at MCUs using TinyUSB , and currently supports ESP32-S2, iMXRT10xx, LPC55xx, and STM32F4. Using the UF2 bootloader,...
When developing a program, we often hope that some global variables have the desired initial values when they are used. We usually use the following two methods to implement the initial value assignme...
On November 2, the manufacturer of Raspberry Pi 4 officially launched Raspberry Pi 400, a compact keyboard that integrates Raspberry Pi 4 with 4GB of memory.With the Raspberry Pi 400, just plug it int...
The sudden outbreak of the COVID-19 pandemic this year has led to the deployment of a large number of inspection robots. In addition to the infrared inspection robots that can be seen everywhere...[Details]
When developing the system, the HardFault_Handler hardware exception occurs, that is, the system crashes. Especially for a system that calls the OS, the program volume is large, and the stack overflo...[Details]
When using ADS1.2 and entering the AXD debugging environment, the message "the session file could not be loaded" appears solution: 1: Place the project file in a directory that does not contain Chi...[Details]
Robust design concept
"Robust Design" is a common and proven development concept that is committed to improving the reliability of a process or product. In order to improve reliability, robust de...[Details]
According to the Wuhan Economic and Technological Development Zone, on May 18, the Wuhan Economic and Technological Development Zone and Huazhong University of Science and Technology signed a strateg...[Details]
Material Trends The process of automotive industrialization is accelerating: On June 30, 2023, Weilan New Energy's 360Wh/kg battery power was officially delivered to NIO; Samsung SDI plans to complet...[Details]
Bootloader startup phase 3 2 Two stages: assembly language stage, C language stage Two hardware initializations: basic hardware initialization, initialization of clock serial port flash, etc. Most ha...[Details]
70W, 80kHz Boost Converter Circuit for Color Monitor
Figure 70W, 80kHz boost converter circuit for color monitor
In the boost converter circuit shown in the figure, the boost inductor L1, boos...[Details]
When measuring ripple on a power rail, it is important to minimize noise because the ripple amplitude can be small. Oscilloscope probes are basic measurement tools, but they can introduce noise and ...[Details]
ams AG (SIX: AMS), a leading global supplier of high performance sensor solutions, has published the results of a survey of more than 2,000 earbud consumers, which shows headphone brands that consume...[Details]
Abstract: HD lenses, also known as megapixel lenses, have advantages over ordinary industrial lenses in terms of high definition, strong spectral transmission, and high spectral correction. As th...[Details]
The crystal frequency of STC12C5406AD is 12MHz. Instruction cycle: This program takes: 1.0us/6 times. This program has been debugged: Functional description: STC12C5406AD+74HC164+1602 LCD display vol...[Details]
In recent years, autonomous driving technology has been developing rapidly, and companies and car manufacturers engaged in autonomous driving research and development are also studying smart cockpits...[Details]
On November 3, the reporter learned from Panzhihua Urban Construction and Transportation (Group) Co., Ltd. that Panxi Financial Leasing (Shanghai) Co., Ltd. (hereinafter referred to as Rongzuo Company...[Details]