Dear experts: In embedded development, the program for defining a custom segment is as follows: .sect ".mysec" arm9_stub: mov pc,i_stack ...... The custom segment is placed at 0xffff0000 on the target...
[align=left]The "Yibo Cup" 2nd IPC China PCB Design Competition will be held in Shenzhen from December 3rd to 6th. This event aims to build a platform for Chinese PCB design engineers to showcase thei...
In the past week, I have become familiar with the various functions of STEVAL-MKI109V3, and have a general idea of the idea and a simple outline of the implementation method. In the past two days, I h...
This circuit is an active filter circuit. Is it a low-pass or high-pass?I have seen a high-pass circuit diagram before. Except for the different input at the in-phase input terminal, the circuit struc...
I used to use ISE, but suddenly I'm using Quartus. I'm not used to it. After cracking it several times, I feel that some functions are not usable. May I ask, is the 30-day trial open to all functions,...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:29[/i] Some students found that the signal output noise was large after they finished the design. You can add a metal shield to the circuit a...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]