.INCLUDE hardware.inc .IRAM .VAR I_KeyBuf = 0 //Save key value.VAR I_Key_Delay = 0 //Scan the number of times a key is pressed.EXTERNAL _KeyFlag //Key pressed identifier.CODE .PUBLIC _SP_Init_IOA; _SP...
I am currently trying to develop a USB printer driver. I would like to ask experts for guidance. Do you have any experience or reference materials? The driver I made does not contain an operating syst...
How to use gpio32 and gpio33 as UART? Now I can only find one serial port in /dev, serial0, which is the serial port corresponding to GPIO14 and 15. I can't find the corresponding one for 32 and 33, a...
These days I want to use two WiFIs for serial port transparent transmission. In my mind, serial port transparent transmission should be like this: from computer or MCU 1 to computer or MCU 2, it is to...
[align=center][FPGA Learning Aid Series - Skills][/align][align=center][u]The Ubiquitous Always@[/u][/align][align=left][color=#000000]When I saw a program by a netizen named ltbytyn[/color][/font][/u...
This paper introduces the design of a remote monitoring system for workshops based on fieldbus CC-Link technology. The design example of a touch screen monitoring inverter is used to briefly describe ...
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]
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]
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]
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]
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]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
Previously used primarily in high-power power supplies and large industrial and consumer power supplies, supercapacitors are now finding their way into products of all sizes, especially portable de...[Details]
First, the choice of charging location. Wireless charging technology is related to the distance and state of the charger and the charged device. That is to say, the distance between the two cannot...[Details]