[i=s]This post was last edited by paulhyde on 2014-9-15 09:40[/i]I. Summary of the 2007 Competition Organization The organization of the National Undergraduate Electronic Design Competition has always...
【LPC54100】LPC54102 Let M4 transmit pulse output purpose: to output the liquid level (angle) percentage as a pulse with a frequency of 0~10000HZ //Frequency output P0. The output frequency of pin 19 oc...
[size=4]Many battery users are not aware that consumer-grade lithium-ion batteries cannot be charged below 0°C. Although the battery pack may appear to be charging normally, metallic lithium plating m...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:57[/i] I think it's quite insightful. Analysis of the 2009 pre-competition questions 1. Analysis Based on the list of basic instruments and m...
After getting the 811 development board from the forum, I played with it for a while. There was no problem running the program naked in IAR6.10, but it didn't work when I tried to port UCOS-II. I don'...
This chapter aims to help developers understand the startup process of Tuya SDK through a simple demo, and guide developers to perform secondary development of modules based on the SDK provided by Tuy...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[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]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]