I need to output the value in the counter of AT89S51, connect DAC0832 in direct mode, and then convert the current to voltage. As a result, the voltage does not change at all. What is the reason? The ...
The FOC vacuum cleaner development kit is a low-voltage sensorless FOC development board developed using CMS32M5733. It supports sensorless FOC and single resistor control, and has fast startup, smoot...
I use AD to collect data and send it to memory via DMA. After the data is sent, a DMA interrupt is generated. After the interrupt is processed, I find that AD does not collect data. Why can't I send t...
I just learned C and I don’t understand a lot of syntax~~ I wrote a program to read 24C08 all at once: I made the following definition: #define uint unsigned int #define uchar unsigned char uchar read...
For 80,000
ZTE
(000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]
In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]
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In accordance with the relevant requirements of the provincial and municipal electric vehicle charging infrastructure construction work, in order to further standardize the...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]
Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
1. Function and purpose There are two pins BOOT0 and BOOT1 on each STM32 chip. The level status of these two pins when the chip is reset determines which area the program starts from after th...[Details]
/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/ #include reg51.h #define uchar unsigned char #define uint unsigned int sbit Waveout=P1^0; //P...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
As shown in the figure, the circuit is required to count and display the number of times the button is pressed. When the button is pressed once, the count value increases by 1 (it is required to accu...[Details]
What else can we do before the arrival of 5G
,
which will be officially commercialized in 2020
? Let's follow the network communication editor to learn about the relevant content.
I...[Details]
Embedded System
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