What is the function of the cross-connection of the five tubes in the middle of this comparator? The test shows that it is a falling edge trigger. Where is the falling edge trigger? Please help. It wo...
It’s still Xiaobai’s problem.
When learning micropython, I came across pyb.delay and time.sleep, both of which can achieve delay. What is the difference between them, or what impact do they have on th...
In the above figure, the red dotted line is the current on the motor phase line, and the blue line is the voltage on the phase line. The current probes from Tektronix and Keysight are too expensive an...
With the basic use of GPIO port, in addition to driving the OLED screen, it can also be used to drive the corresponding digital sensor. Here, the light intensity sensor is driven, and the display func...
On April 28, Changdian Technology announced the official establishment of the "Design Service Business Center" and the "Automotive Electronics Business Center", and held a grand unveiling ceremony in...[Details]
Samsung's official website announced the "Value Preservation and Replacement Plan" for the Samsung Galaxy S20 series. The plan shows that from now until September 30, 2020, users who purchase the Sam...[Details]
At present, my country's power system adopts a three-phase AC transmission system, which requires the transformer to be three-phase. This can be done by combining three single-phase transformers in...[Details]
The chip is the stc89c51 microcontroller.
The following is the circuit diagram of the matrix keyboard. The matrix keyboard is connected to port p2.
The following is the diagram of the microcontrol...[Details]
According to the latest report on December 2, Apple has now notified component suppliers that demand for the iPhone 13 series has weakened. Previous news reports stated that due to a lack of ...[Details]
In the computer industry, lithium-ion
batteries
are both loved and feared. The accidents that occurred in the early days of lithium-ion
battery
applications are still fresh in the m...[Details]
1 Introduction With the development of the economy, the number of cars has increased, and the pressure on urban roads has increased. On densely populated roads, people and vehicles often compete for ...[Details]
1 Introduction In recent years, with the rapid development and widespread application of microelectronics technology and computer technology, various communication equipment represented by digital...[Details]
As the date jumped from December 31, 2021 to January 1, 2022, many companies using Microsoft Exchange found that they could not send out their written New Year greetings and other emails, which also ...[Details]
Earlier today, Redmi teased the Redmi K40 series once again. This time, the brand shared a poster on its official Weibo account, revealing the 4520mAh battery capacity in the upcoming smartphone. A...[Details]
According to foreign media reports, researchers at Florida Polytechnic University are using new types of cyber attacks to improve the security and resilience of cyber-physical systems (CPS) such as s...[Details]
This article is a supplement to LED drivers: Without further ado, let's get to the code. start.s .text .global _start _start: ldr r0 ,= 0x53000000 @WATCHDOG ADD mov r1 ,#0x0 str r1 ...[Details]
Goldman Sachs pointed out in a report that the semiconductor equipment market will improve and the demand for equipment in the memory industry will increase significantly starting next year (2020). ...[Details]
Debug uboot in SDRAM The code download address for this part is at the end of the article. Before entering the debugging state, you must install the Jlink driver. Then power on the mini2440 devel...[Details]
On November 4, 2024, NXP Semiconductors NV (NXPI) today released its third-quarter financial results as of September 29, 2024. Despite the slowdown in the macroeconomic environment and demand in so...[Details]
Medical Electronics
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