I have compiled some frequently asked questions in interviews. I hope these tips will be helpful to you in your interviews.
1. Given an array table, use a macro definition to find the number of elemen...
[font="][size=14px]As we all know, PCB boards are prone to bending and warping when passing through the reflow oven. So how to prevent PCB boards from bending and warping when passing through the refl...
1. Introduction of the WorkThis activity designs a steam sterilizer system, using the IMX1020 evaluation board. The design includes sterilization process control, modbus master module, temperature con...
During the recent test, it was found that the data read by STM32 ADC using DMA mode would appear as follows
I started to suspect that it was high-frequency interference from external signals. After a ...
ECG ten electrodes and 12 leads1. I don't know much about how to obtain electrocardiogram information using ECG. Why is ECG called 12-lead when it only has ten electrodes? What is the relationship bet...
Why can't the P0 port of STC8A8K32S4A12 output a high level? The quasi-bidirectional IO port is set, and nothing is connected to the outside. When the low level is set, 0V is normal, and the high leve...
China Energy Storage Network News
: In September 2015, President Xi Jinping proposed at the United Nations Development Summit that "China's initiative to explore the construction of a global ...[Details]
According to foreign media reports, Ford Motor Company has applied for a patent for its car key with remote parking assistance function. The patent was applied for on April 1, 2019 and published on M...[Details]
Recently, the People's Government of Hukou County and Shanghai Xigu Technology Co., Ltd. held a signing ceremony for a power battery new material project. County Party Secretary Zeng Baozhu and Deputy...[Details]
The speed sensorless control system does not require detection hardware, eliminating the various troubles caused by the speed sensor, improving the reliability of the system and reducing the cost o...[Details]
All the codes in the previous article can be compiled using Arduino IDE, and the circuit diagrams are drawn using Fritzing. Both Arduino IDE and Fritzing can run on multiple operating systems, and yo...[Details]
0 Introduction
Z scanning is a method used in optical nonlinear measurement. This method can be used to measure the size, positive and negative, and nonlinear absorption coefficient of the non...[Details]
1. Hardware Solution This design uses 51 single-chip microcomputer as the control core and formaldehyde module sensor as the detection signal source to control the speaker prompt when the formaldehyd...[Details]
Circuit Function and Advantages Many systems require multiple low jitter system clocks for mixed signal processing and timing. The circuit shown in Figure 1 interfaces the ADF4351 integrated phase-lo...[Details]
According to industry insider Ross Young, Google's foldable Pixel phone will have a smaller outer screen, while the inner display will be similar in size to the Galaxy Z Fold 4. Rumor has it t...[Details]
The General Administration of Quality Supervision, Inspection and Quarantine recently announced the results of the national supervision and random inspection of photovoltaic grid-connected inverter...[Details]
Method 1: Find a transistor with β≥250 (small penetration current is required). If you can't find it for the time being, you can use two transistors of the same model to form a Darlington form, as ...[Details]
ChatGPT-4 got off to a bad start
ChatGPT has been popular for more than half a year. In many people's minds, ChatGPT, who knows everything about astronomy and geography, is already a god-l...[Details]
October 23 , 2023 – Industry-renowned New Product Introduction (NPI) agent Mouser Electronics, offering an ultra-wide range of semiconductors and electronic components ™ Mouser launches s...[Details]
1. Experimental tasks Use the timer/counter T0 of the AT89S51 microcontroller to generate a one-second timing time as the second counting time. When one second is generated, the second counting incre...[Details]
Gartner recently released the 2024 China Security Technology Maturity Curve, which introduces innovations in China's security field.
This year, two new innovations were added: AI network securi...[Details]