I used 74HC245 to make an S51 parallel download cable. Why can't the device be detected when I use the software written by Nie Zhongqiang to burn it... If anyone has used it before, I hope you can lea...
Today I will post a circuit of connecting a microcontroller to a 4x3 numeric keypad. The author is American electrician Robert Simhay. In many applications, it is necessary to connect a numeric keypad...
There are 8 digital tubes, each 4 in a group, using dynamic scanning to achieveMethod 1: Use two floating point variables as parameters void show (float digitron1, float digitron0);In the function, th...
[Power Amplifier Application Case] How to use a power amplifier to drive a capacitive load?The customer requires a frequency of two hz, a square wave waveform, a high voltage of 0-1000v, and a low vol...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:00[/i] 1971: Intel launched the first microprocessor, Intel 4004. Due to its small size, light weight, low price and successful design, Inte...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
The update interrupt initialization configuration of the stm32 advanced timer TIM1 is not much different from that of the ordinary timer. What needs to be paid attention to is the configuration of TI...[Details]
The goal of this article is to build a TCP client based on the previous project that can ping the PC, and can actively send data to the PC, and can also send and receive data with the PC, and display...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[Details]
The article is written for LPC2148, but it is also applicable to Samsung's 44B0 chip. You only need to select S3C44B0 as the corresponding CPU when selecting it. JLINK debugging experience un...[Details]
On Sunday, the South Australian government unveiled plans to build the world's largest virtual power plant, which will connect at least 50,000 homes over four years and have a capacity ...[Details]
Making a digital sampling oscilloscope has been my long-standing wish, but after all, this goal is quite difficult, and there are too many aspects involved, such as analog front-end circuit, high-spe...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
In mid-to-late 2016, a girl from Hubei came to Beijing alone, full of curiosity about
cloud computing
. The girl left the deepest impression on me was her lovely smile. She told me that if ...[Details]
Embedded System
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