When cross-compiling the Linux 2.6 kernel in Ubuntu , I typed make menuconfig and found that some header files could not be found:
root@loong:/opt/linux-2.6.39# make menuconfig HOSTCC scripts/basic/fi...
The ADC value has been displayed, but I don't know how to write a table lookup program to convert it into a temperature value according to the formula. I would like to ask all the experts in the forum...
Jetson Nano uses Ubuntu 18.04 through xrdp remote desktop. The terminal can be opened normally for the first time, but when the remote desktop is opened again, it is found that the terminal cannot be ...
I used to work in C++, and now I have just changed jobs. My new job requires me to learn STM32, but now I have forgotten what DMA is. I would like to ask you, if I want to work on STM32, what knowledg...
Can anyone recommend me a PDA phone that must have Windows Mobile system, GPS receiver, wireless Internet access, and a high frequency? I need it urgently. This phone must be able to install programs ...
I have solved questions (1) and (3), but I can't solve (2). However, it seems that the concept of "bootstrapping" has always existed. Please let me know if you know! I hope to use the small signal mod...
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[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]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[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
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[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]