Can you help me check if there is anything wrong with the settings?Why is the data 0x4141 of SPITXBUF never sent out during debugging?Test_flag4 is also 0, so I thought that no data was received, and ...
Optocouplers are small in size, long in service life, wide in operating temperature range, strong in anti-interference performance, contactless, and completely electrically isolated from input and out...
I used to be an application developer, but now I have an urgent task to communicate with a USB (HID) device. I have no idea what to do, so I just searched the Internet for a lot of information. Now I ...
I input 1K and 40M signals with a signal generator, and the Vpp is 1V, but the EL2070 output has harmonics of about 300M. Please tell me how to eliminate this harmonic! Thank you! The circuit connecti...
[i=s]This post was last edited by w562601331 on 2017-7-24 08:31[/i] [size=14px][font=微软雅黑][size=4](1) Title of the work:[/size][/font][/size] IoT Monitoring Rescue Vehicle Three months have passed unk...
When debugging, I found that I could see the source code of some functions, but I couldn't trace some of them. Is it a library? If so, if I use a microcontroller from another manufacturer, I can no lo...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[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]
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]