I use the MSP430F135 chip. The program simulation is normal. After building, I can write directly to the chip. Once I unplug the JATG, the program does not run or runs incorrectly. I guess it is a pro...
Generally, the conversion of 220V voltage to 12V requires rectification, transformer, and voltage regulator. Webench can use LM5023 to achieve this conversion. 1. Input parameters, 220V (AC) to 12V (D...
It almost ended badly, haha, luckily lemon brother @nmg has been following it, which gave me some motivation to start. Well, I won’t say much, if you are not clear, you can read the previous posts:
[1...
How to choose a crystal oscillator and its specifications - Ordinary crystal oscillators ( XOs ) XOs does not take any temperature compensation or constant temperature measures, and its technical indi...
MCU model: STC89C52RCProblem description: Read P1 port data, the data is emptyP1 has been defined
uchar uReadValue;P1_0=0;
P1_1=0; //OK here, the two LEDs at the lower position of P1 are lit normally
...
I have a batch of equipment that is used for driving school timing with Nuc972 + STM32. I customized it for the driving school before, and I made a part of it too much. I don’t want to leave it to gat...
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]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
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]
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]
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]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Microcontroller MCU
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