Everyone, when I was developing a camera demo, when I executed the following code, f was always 0 and GetLastError() was always 1. What is the problem? I only have the dll given by the customer. There...
These are all materials that I treasure, some of which are hard to find on the Internet.
I am going home today. I hope all my RF/wireless friends can go home and have a happy New Year......
This year I was so busy, busy looking for a job, busy graduating, so busy that I can't describe it in words. Maybe a big reason is that I didn't solve the problems that should have been solved last ye...
[i=s]This post was last edited by youki12345 on 2017-12-11 11:25[/i] [align=left]After about 15 days, I finally received a call from FedEx, saying that the CC3220S-LAUNCHPad had arrived. The overall a...
I am using high-speed AD+cyclone III for data acquisition. The output of AD is LVDS Data7+/-, Data6+/-, ..., Data1+/-, Data0+/-. I don't know how to set the parameters when applying the IP core, espec...
1. No slope movement[/font][/color][/align][align=left][color=rgb(0, 0, 0)][font=PingFangSC-Light, 微软雅黑, 微软雅黑, "]The only parameter involved is VMAX. [/font][/color][/align][align=center][color=rgb(0,...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]