First of all, we need to have a general view of rand and srand: srand initializes the random seed, and rand generates random numbers. The following will explain in detail.rand (generates random number...
Is it a charging pile? OBC, or off-board charger, needs to be connected to a charging pile according to the information. Does OBC also need to be connected to an off-board charger?...
[Image recognition classificationmotion detectionanalog signal processing system based on Raspberry Pi 400, Part 3] Use QTcharts library built into QT program for signal processing/analysis/statistics...
question:
Attached is the TI boost principle document . Does TI have a calculation document for the buck DC chip and the LDO principle?
There are doubts about the two formulas
1. Which formula for cal...
Animated principle demonstration of common circuits and components : https://training.eeworld.com.cn/course/5596Animated demonstration of common circuits and components...
/**************************************//*Description: On the serial port debugging assistant, you can see that you are constantlyreceiving the message HELLO sent by CC2530.Baud rate: 115200bps*******...
STM8 clock security system register (CLK_CSSR) Address offset value: 0x08 Reset value: 0x00 Position 7:4 Reserved. Always 0. Bit 3 CSSD: Clock safety system monitoring is set by hardware or clear...[Details]
Huazhuo Precision Technology is applying for an IPO. The company focuses on the cutting-edge product of the ultra-precision machinery field, the dual worktable of the lithography machine. It maintain...[Details]
Data shows that investment by South Korea's large conglomerates grew by nearly 5% in the first half of this year, with Samsung Electronics and SK Hynix accounting for a large proportion. According to...[Details]
Chen Anwei, Chairman and Party Secretary of State Grid Anhui Electric Power Co., Ltd.
Chairman Kou Wei emphasized at the company's second quarter work conference in 2019 that the construction ...[Details]
When oscilloscope users are measuring vertical quantities such as amplitude/peak, they occasionally encounter problems such as measurement results that are slightly different from expectations and th...[Details]
Figure 1 The FlexLevel Switch limit switch, which uses electromagnetic waves for detection, is “blind” to the foam in the filling medium.
Most people who like caramel macchiato think tha...[Details]
On July 30, the Chongqing Bishan BYD photovoltaic storage project completed the joint debugging experiment and met the conditions for full-capacity peak output. As the largest single user-side ener...[Details]
Introduction
When analyzing materials at remote sites where it is not possible to place a probe into the material, high frequency transceivers provide a viable method for accurately quantifying the...[Details]
1 Development History of LED
LED has a history of nearly 40 years. The first batch of commercialized LEDs appeared in 1968. Although LEDs have been limited by color and luminous efficiency for...[Details]
Understanding the sources of uncertainty in a vector network analyzer will help you adopt an effective user calibration method. For the complete two-port network analyzer structure shown in the figure...[Details]
Everyone has heard of the concept of "burn-in", which can bring out the sound quality of headphones to the extreme. It is like a "ritual". Most headphone enthusiasts believe that newly purchased he...[Details]
At 15:46 on June 30, the 110 kV Xingsheng substation invested and built by Anhui Zhongyi Power Sales Company was successfully connected to the power grid, marking the successful commissioning of th...[Details]
After major Android phones showed off their skills in "taking pictures of the moon", Apple was no exception and strengthened its research and development related to astrophotography. According...[Details]
On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]