I am using DVRRDK_03.50.00.05. How do I compile cmem.ko in this version? I modified MVTOOL_PREFIX in cmem's Rules.make, and then made it in the same directory, but cmem.ko was not generated. How do I ...
[font=宋体][color=black]The original plan was to use R7F0C80212+wireless to make a wireless module, but because I was busy with other things later, I could only make a simple one for now, which happened...
I use the 4+3-bit DIP switch to let the user set two data at will, and the program reads the two data and then processes them accordingly. I group the 0~3 bits of the PC port and the 4~6 bits as a gro...
[align=left][backcolor=rgb(238, 238, 238)][font=Verdana, Helvetica, Arial, sans-serif][size=12px]I just learned arm and want to make an arm-STM32 board myself. I have referred to many other masters' V...
Due to time constraints, I only did a simple trial, so I'll summarize it before the end of the event. Often, the MCU required for some simple functions is not that powerful, as long as it is small, si...
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 Guang...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
With the development of modern science and technology, the demand for information is constantly increasing. Satellite navigation and positioning systems have received much attention, and their applica...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]