To shuiyan my530 Please introduce a module that is inexpensive and good quality, preferably available on Taobao. What other equipment do you need? It would be best if you can tell me in detail, that i...
Reposted, haha, I don't know if you have had this experience, reading other people's programs is a pain! Especially when a lot of macro definitions are used in the program! I just don't understand, wh...
Why does Apple use UWB technology? Learn more about UWB here
UWB Market Outlook
What is UWB?
UWB Positioning Technology
About UWB (Ultra-Wideband)
Brief Introduction of Ultra-Wideband (UWB) Developmen...
What modules have you prepared? Let's refer to each other. Our group has prepared photoelectric distance measurement modules, camera modules, MPU6050, TFT display screens, and various motors. Let's ta...
For NAND FLASH, such as SD card, data is read and written in sectors, but erased in blocks/clusters. Why? Also, there is no concept of cluster/block before the data area, but the FAT table and DBR in ...
Now I want to ODM a home anti-theft device. I want to be lazy when designing the circuit. Does anyone have a module similar to a mobile phone that can be used to send alarm calls (GSM)? The production...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]