1. If the MCU has a serial port peripheral, adding a level conversion chip, such as MAX232, SP3485, will become the RS232 and RS485 interface.
2. RS485 uses differential signal negative logic, +2~+6V ...
Provide a section of AD sampling FPGA programThe program is as followsVerilog source program is as follows://---------------------------------------------------------------------------
//-- File name:...
How to get out of the area of "the calculation formula of capacitors with DC isolation, AC passing and capacitive reactance", I found that I am still at this stage. I don't know how to analyze the cap...
SRIO error detection is mainly divided into two parts, physical layer error detection, logical layer / transport layer error detection, each error detection has a specific register to control. Physica...
[img]file:///C:\Users\Suqing\AppData\Roaming\Tencent\Users\1161848701\TIM\WinTemp\RichOle\()@}D}%KV00@P4$H)JORZ41.png[/img] Is there any difference between turning on and off the comment? Why can the ...
How to effectively choose a lithium battery protection board1. Classification of protection boards1. Lithium iron phosphate is 3.2V2. Ternary lithium is 3.7V2. How to choose the protection current1. C...
After the release of Xiaomi Mi 10 Ultra, many people were attracted by its configuration and price. In fact, they didn’t know that the Xiaomi Mi 10 Ultra also has some features that Xiaomi has not of...[Details]
Explanation on "Read-Modify-Write" of PIC microcontroller
Topic: I have seen references to "Read-Modify-Write" instructions in your datasheet, but I do not know what that is. Can you explain what i...[Details]
Solar inverters are an important subsystem of solar or photovoltaic installations. These devices are needed to complete the critical step of feeding the newly generated electricity into the grid. As ...[Details]
The new AVR series (for example, ATMEGA168, etc.) uses an enhanced watchdog timer. Compared with the original watchdog, in addition to the same reset function, it also adds an interrupt function when ...[Details]
According to foreign media PatentlyApple, Apple's patent for an under-screen fingerprint recognition device was approved in the United States on February 18. The patent describes a device that uses m...[Details]
On the morning of February 23, Cihu High-tech Zone held a signing ceremony for key projects in the communications industry. The total investment of the 10 signed projects was 8.4 billion yuan, ...[Details]
I haven't written for a week, so I'll take some time today to write my blog. I took the Trend Micro exam on Saturday, and I felt that I still have some knowledge gaps in software design. I have bla...[Details]
Single-supply circuit principle of integrated operational amplifier
The common method of using a single power supply to power an integrated operational amplifier is to raise the potential of the ...[Details]
Introduction
Recently, the author found in a logistics call system project based on field bus on a large production line in a factory that due to the large amount of information flow to be di...[Details]
There is still a long time before Samsung's flagship S21 series is launched next year (expected to be launched in February), but some reliable information about the device has arrived. Recently, 3C c...[Details]
0 Introduction
Using image
sensors
to sense the road traffic environment and obstacle positions ahead, measure the safe distance, and promptly warn cars in danger of collis...[Details]
Taking the single-chip microcomputer AT89C51 as the control core, the semiconductor refrigeration technology is introduced into the LED heat dissipation research. The PID algorithm and PWM modulati...[Details]
1. Background
Lightweight, as the name implies, is to reduce the weight as much as possible while ensuring the strength and structural safety of components (or whole machines). Due to the ...[Details]
A pulse oximeter is a medical device used to monitor a patient's blood oxygen levels. The device measures blood oxygen levels and heart rate and generates an alarm when levels drop below a predet...[Details]