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...
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]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[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]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[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]
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]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Embedded System
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