[size=18px][color=#333333][font=微软雅黑]I have posted 2 posts before, which realized the initialization of SD card and the acquisition of SD card capacity and type. Now I will start to read the contents ...
Frequency synthesis technology has been known to people since the 1930s, and has made great progress over the past 1970s. Frequency synthesis is a technology that uses one or more frequencies as the b...
I want to make a pointer-type perpetual calendar, and I need to use LCD12864. Now the problem is that the LGM12864 I found in Protues has 18 pins, and the information I saw says it has 20 pins. So if ...
I am a novice. I have just learned DSP for a few days because I want to participate in a DSP competition. Is the difference between 2812 and 2808 only in controlling the motor? Are there big differenc...
Now I want to use 2440 to play 2 channels of music at the same time through 2 hard decoding chips; the music files are stored in the SD card on the 2440 motherboard; this chip should preferably be abl...
I read system_LPC11xx.c and found some problems. I would like to ask experts for help. Line 447-449 of the code: #if (MEMMAP_SETUP || MEMMAP_INIT) /* Memory Mapping Setup */LPC_SYSCON->SYSMEMREMAP = S...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
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]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]