I use rm48's mibspi as slave, 8bit transmission. When mibspisetdata is not used to send data, the data can be received normally, but as long as mibspisetdata is used, the data sent and received are no...
Hello everyone, I am working on a GSM module recently, using Siemens' MC52iR3 series. At the beginning, I could use AT commands to send and receive short messages and implement dialing functions on th...
Symbol MC1000: When a MessageBox appears in the current form, when you press the NET key to exit the dialog box, the current form is minimized on the taskbar. Can any experts tell me what the problem ...
Write your own operating system (Part 1) Author: Yi Mei The free software community is a place full of freedom and dreams. In more than 10 years, it has created one miracle after another. However, the...
Recently I wrote a Verilog program, intending to use FPGA to read the time data of the DS1302 chip, and the program compiled successfully. However, I did not observe the data being read from the port ...
The USB host component was successfully loaded, and the USB printer and mass storage were also OK. After loading the HID, I added the mouse and keyboard. The mouse can be used, but the keyboard cannot...
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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Today, fleet management innovation has made great progress. Whether trucks, buses, taxis or other means of transportation, wireless satellite positioning systems are used to enable dispatchers to u...[Details]
"Multimeter" is the abbreviation of multimeter, which is an indispensable tool in our electronic production. The advantages of multimeter are that it has many uses, a wide range, an...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]