IntroductionIf you have implemented the simple transmission and reception of lora, I think you should consider how to avoid the packet loss caused by the collision when the slave sends data when lora ...
The picture is a screenshot of the specification of the fully differential op amp LMH6551. I have the following questions to ask the experts:1. What does Single Ended mean under Conditions in the Outp...
1. ConfessionA boy had a crush on a girl for a long time. One day during self-study class, the boy secretly passed a small note to the girl, which read "Actually, I have noticed you for a long time." ...
Master the basics and artistic design of high-voltage gate driver design : https://training.eeworld.com.cn/course/5278This in-depth discussion will cover how to drive these state-of-the-art power tran...
1. Use JTAG to download the configuration diagram1. Use IAR to open a new or existing project, as shown in the figure below.Right-click *****-Debug and select Option, and a dialog box as shown below w...
There is a car Bluetooth lyrics in the Kugou APP
Is there any way for us to make an LED dot matrix screen by ourselves, and then connect it with an APP to realize the function of displaying lyrics?
Do...
1. Background of the revision of the regulations Since its promulgation, the verification regulations of JJG461-1986 "Target Flow Transmitter" (hereinafter referred to as the "old regulations") have ...[Details]
The microcontroller outputs PWM chopping to control the brightness of the LED and display it on the graph Simulation On Reference Code: #include "reg51.h" unsigned int cd,dd; unsigned char cc,ee...[Details]
According to a new report from MarketsandMarkets, the SoC (System on Chip) market size is expected to grow from USD 138.46 billion in 2024 to USD 205.97 billion in 2029; its compound annual growth ...[Details]
1. Origin of the problem
1. Phenomenon
In net_send_packet() of the linux4.3.2 network card driver cs89x0.c, there is:
1 /* Test to see if the chip has allocated mem...[Details]
Google officially pushed the first Beta version of Android Q at midnight on March 14th, Beijing time, and the official version is scheduled to be released in the third quarter of this year. Huawei an...[Details]
Strategy Analytics predicts that shipments of 5G smartphones will reach 624 million units this year, up from 269 million units in 2020, thanks to strong demand in China, Western Europe and the ...[Details]
Introduction
Cortex-M3 is the first microcontroller core based on ARMv7-M of ARM. It is very different from ARM7 in terms of instruction execution, exception control, clock management, trace debugg...[Details]
I have seen a lot of things about automotive chips recently, and I think it is necessary to sort out several American core chip manufacturers, starting with Qualcomm. Qualcomm's revenue in fiscal y...[Details]
It is reported that the industry chain has basically prepared the market for the iPhone 14 series, and the rumors of "delayed release" last week are untrue. The A16 application processor adopts TSMC'...[Details]
Since the birth of RISC-V in 2010, it has attracted attention from all walks of life. Today, RISC-V appears more and more in technology news, and a large number of technology companies have joined RI...[Details]
On August 1, Laibao Hi-Tech said in an institutional survey that due to the impact of the global COVID-19 pandemic, the demand for remote office and online education has increased in a short period o...[Details]
The Internet companies are making cars! After Xiaomi announced its car-making plan, Didi also started its car-making project. Internet companies making cars seem to give people the illusion that "the...[Details]
Introduction: This paper introduces the principle and characteristics of a person detection device. The device is based on the PIC16F628A single-chip microcomputer, uses a pair of independent ultraso...[Details]
According to MoneyDJ, the latest report released on Tuesday (12th) showed that by 2023, smart factories using robotics and automation technology are expected to contribute 1.5 trillion to 2.2 trillio...[Details]
Industrial robot simulation software is a software tool used to simulate the operation process of industrial robots. They can help engineers and technicians test and optimize robots before actual a...[Details]