When porting UBOOT, I found a strange problem. I added printf function information to a function for debugging. After the success, I deleted the related debugging of printf, but something went wrong. ...
I received KW41Z today. I haven't played with Freescale boards since Freescale was acquired. Accessories, two boards, one Lierda wirelessOn the front, there is an obvious antenna interfaceOn the back,...
I have never been exposed to stepper motors before, so I found some information on the Internet!28BYJ-48 stepper motor:A stepper motor is an actuator that converts electrical pulses into angular displ...
I would like to ask if anyone has used the IQmath function in DSP28035. When I was using it, I got an error message like placement fails for object "IQmath", size 0x1e (page 0). Available ranges: RAML...
[i=s]This post was last edited by zy459994202 on 2018-6-11 17:15[/i] [md] Today, we will introduce how to use RT-Thread MicroPython to build a web server. The module needed is the MicroWebSrv module. ...
[align=left][color=rgb(51, 51, 51)][font=Avenir, "][size=4]This is something I made when I first learned DSP (DSP + software oscilloscope of host computer). I'm showing it to you. [/size][/font][/colo...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[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]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[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]