I have used or seen quite a lot of domestic chips. I won't mention Shenwei and Loongson. Basically, anyone who works with domestic products will come into contact with them. The energy efficiency rati...
[align=center][color=#9932cc]NO3. Receiving data from the cloud[/color][/align] The overview of receiving data from the cloud is as follows:The Rapid lot kit is connected to the mobile phone via BLE, ...
Online Exhibition Details: Littelfuse's efficient, reliable and precise power control and circuit protection solutions are used in industry, transportation, communications, medical treatment and new e...
Semiconductor vendors support their microcontrollers with development boards such as evaluation boards and demonstration boards. The intended use of these boards is to allow engineers to first become ...
The theoretical amplification factor of INA128 is 100 times when RG=500 ohms. When the input is 150KHz, 10mV AC, its amplification factor remains almost unchanged. Why is it like this?...
Key technologies of TD-SCDMA - Smart antennas Smart antennas are bidirectional antennas installed at the base station site, which obtain directivity through a group of fixed antenna units with program...
Below is the structure of the transistor and the various identification methods in the circuit diagram When the multimeter is set to the diode position (buzzer position) to measure the tra...[Details]
1. What are the advantages of PIC series microcontrollers? Since I came into contact with PIC microcontrollers in 1995, I have been keen on the development and application of this type of microcont...[Details]
(Image source: Florida Polytechnic University official website, person in the picture: Dr. Arman Sargolzaei) According to foreign media reports, researchers at Florida Polytechnic University are usi...[Details]
MCU parallel port expansion and memory expansion
1. The expansion of the parallel port of the single-chip microcomputer uses the same addressing method as the data memory. There are three methods: ...[Details]
This digitally controlled DC regulated power supply circuit uses control buttons and digital circuits to select and control the 4 output voltages (+5V, +6V, +9V and +12V) of the DC power supply. Co...[Details]
1. Check the schematic diagram and data sheet to set the IO port function Tip: The chip used here is Samsung's S3C2440A 1.1.LED1 is connected to the IO port of GPF4. From the schematic diagram, it ...[Details]
LiDAR technology is an active remote sensing system, which means that the energy generated by the system itself will appear in the form of rapidly emitting lasers to measure the range and exact dista...[Details]
On the evening of March 26, Reuters reported that people familiar with the matter pointed out that senior U.S. government cabinet officials agreed to take new measures to restrict the global supp...[Details]
With the advancement of LED epitaxial materials, chip processes and packaging technologies, the luminous efficiency of LEDs has been continuously improved, making it possible for LED light sources to...[Details]
On May 6, State Grid Jiangsu Electric Power Co., Ltd. successfully completed the development of an intelligent early warning system for fires in energy storage power stations. The successful develo...[Details]
The article mainly introduces an Ethernet interface circuit design scheme based on the Samsung ARM9 chip S3C2440 embedded system, and uses the industrial-grade Ethernet controller DM9000AEP to succes...[Details]
1 Overview
Since the 1980s, with the rapid development and popularization of computer technology, fire alarm technology has become an interdisciplinary comprehensive information processing...[Details]
The laser particle size analyzer measures particle size distribution based on the physical phenomenon that particles can scatter laser light. Since the laser has good monochromaticity and strong dire...[Details]
Before writing this blog, I have to reflect on myself, because the serial port program in the past, like the stepper motor, sometimes worked and sometimes didn't. Now I finally know why, because ther...[Details]
Since the current
LED
taillights are all horizontal, the LED angle is not suitable, and the light bowl is not well matched, and the reflective bowl basically does not work, resulting in
low
...[Details]
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