I wrote a PAL interlaced display module on FPGA, using a 50HZ frame rate, generating composite blanking and composite synchronization control signals for odd and even fields, and sent them to DAV7123 ...
I am using XC6SLX9 chip, there is such a line in UCF: NET "A0SD"LOC = P33|PULLUP;This NET is used for the SDA pin of I2C, which usually needs to be pulled up, so it is written like this.But when MAPPI...
I have just started working in the electronic audio industry. Although I know some electronic principles, I am not proficient enough, especially circuit diagrams. I want to read some books in my spare...
[table=98%,rgb(239, 245, 249)] [tr][td]If anyone has written this, please help me post it. Thanks in advance. QQ: [email]1099850660@qq.com[/email][/td][/tr] [/table]...
I have a fire monitoring system that receives the monitored data through the serial port. Now I want to add the ability to receive the monitoring data through the USB interface. Now I don't know how t...
My idea is to use multiple channels and resistor voltage divider, but the problem is how to switch? Because no matter what switch is used, it seems that there will be a voltage drop on the main line, ...
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]
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]
China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[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]
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]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
Why does MCU have a watchdog? With this question, let's learn about watchdogs. Even the 51 single-chip microcomputer has a watchdog, which shows that this dog has a special meaning to us. The purpose...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[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]
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]
;The hardware connection circuit of the 51 single-chip microcomputer is as follows: ;P1.3 and P1.4 are each connected to a button; ;P0.0 and P0.3 are each connected to a light-emitting diode; ;P2.0~P...[Details]