◎ Can Danfoss inverters carry synchronous motors? Yes. Parameter 101 of VLT5000 and VLT2800 should be set to "Special Motor Characteristics" and the motor speed regulation performance can be met by se...
CAN is set to automatically recover offline. If CANH and CANL are short-circuited, the CAN controller will enter the offline state,but it seems that CAN cannot automatically recover and can only recei...
[align=left]1. Please use the single-chip microcomputer you are familiar with to design an LED light source driving circuit that can be adjusted to any color. The principle is to use red, green and bl...
switch(key()) { case 0x06:flag++;if(flag==1){EA=1;}if(flag==2){EA=0;flag=0;}break;case 0x05:flag1++;if(flag1==1){P2=0X00}break;} }My P2 port is for control, and P1 port is for display control. I use a...
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
1. The first project We are going to create the first project, which is mainly for project analysis, so that we can understand how CubeMX works and how to trace the code logic. Okay, no more nonsense...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
ZTE was punished, and Hou Weigui, who had already retired, had to come out of retirement again and run around to mediate. Let's follow the embedded editor to learn about the relevant content.
...[Details]
The photovoltaic inverter is the core equipment of the photovoltaic system. Its main function is to convert the direct current generated by the photovoltaic modules into alternating current that meets...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]
This program is used in the development board to generate sounds of different frequencies. The overall program is relatively simple, mainly using two timers. The code and my comments are as follows. ...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
On the eve of 5G
commercialization,
ZTE
has established and adhered to
the
5G
pioneer strategy, focusing on
5G
end-to-end solutions, and investing in standard setting, ...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
//Observe the difference between feeding the dog and not feeding the dog, and use the LED indicator of the PB port for status indication. //Switch the LED indicator enable switch of the PB po...[Details]