Among the various DIY instruments, there are many multimeters, oscilloscopes (although not practical), and even RF instruments can be DIYed very well. Power supply modification is also common, but the...
stm32/boards/pllvalues.py: Relax PLLQ constraints on STM32F413 MCUs.
stm32/powerctrl: Support using PLLI2C on STM32F413 as USB clock source.
stm32/powerctrl: Allow a board to configure AHB and APB clo...
The battery voltage is pulled down, the BAT battery voltage is 4.21V,
When MCU_CTL is at a low level (short-connected to GND and then released), Q5 and Q1 are turned off, and the BAT_OUT output is alr...
[url=https://bbs.eeworld.com.cn/thread-447702-1-2.html]https://bbs.eeworld.com.cn/thread-447702-1-2.html[/url] This is a post I made before, and now I have opened a new one. This time the topic is abo...
I got the Hummingbird kit of Qingkemx1081 on October 23rd. I was quite excited at that time! This kit contains a lot of modules! It basically contains most of the interfaces of cortex-M3 and comes wit...
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support. Provide technical support to customers on the application of the products you sell, and handle quality ...[Details]
1 Introduction to suction laminating machine
Suction laminating machine is a kind of woodworking machinery, which can realize the laminating function of wood boards and other materials. It i...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Automatic target recognition (ATR) algorithms usually include algorithms for automatically detecting, tracking, identifying, and selecting attack points for targets. The complexity of the battlefi...[Details]
The PIC series 8-bit single-chip microcomputer (RISC microcontroller) developed by Microchip Technology Inc. in the United States, especially the microcontroller with built-in second-generation Flash ...[Details]
Novaled, a German company, has successfully developed p-type and n-type field effect transistors based on a single-layer pentacene semiconductor layer by using its own p-type and n-type dopants. This ...[Details]
DIY/Open Source Hardware
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