Award Post: Grab the post! Download the TWS headset white paper, write a wonderful review, and win a JD card!Event time: From now until October 26True Wireless Stereo (TWS) earphones have finally beco...
Constant voltage circuit and constant current circuit composed of operational amplifier and triodeConstant voltage circuit
The 15V voltage provides enough current to the output end of the circuit. R3 ...
[Foreword] A while ago, I read the introductory manual, pulled examples to run, or modified them, and they could run. However, if you really want to write what you want from scratch, you will encounte...
ldconfig is a dynamic link library management command, its purpose is to make the dynamic link library shared by the system.
The main uses of ldconfig:
By default, library files are searched in /lilb ...
[i=s]This post was last edited by cruelfox on 2019-6-3 10:20[/i] I just finished the review of STM32WB55, and I want to "strike while the iron is hot" to continue to review CC1532P1-LAUNCHXL. Both of ...
To maintain lead-acid batteries, it is necessary to first have a general understanding of the structure and principle of lead-acid batteries. Lead-acid sealed batteries are composed of positive and...[Details]
On October 14, TCL released its performance forecast for the first three quarters of 2021, expecting to achieve a net profit attributable to shareholders of RMB 9.03 billion to RMB 9.18 billion in th...[Details]
Today, the Intel Cloud Terminal Solution Media Communication Conference with the theme of "Redistribution of Computing Power under Digital Transformation" was held in Beijing. Intel, together with ID...[Details]
Digital signal microprocessor DSP has the functions of high-speed operation and data processing. With its advantages of high performance and low power consumption, it provides an effective hardware...[Details]
Lidar is considered a key component of self-driving cars, processing precise images of the surrounding environment and improving the reliability and safety of driverless operations. But is it possibl...[Details]
Function: (set GPIO port direction), parameters (port number, bit, input or output (0 in 1 out)) GPIOSetDir( PORT0, 1, 0 ); GPIOSetValue() One is to set the port direction, the...[Details]
The Zhejiang Provincial Department of Economy and Information Technology issued a document on January 11 to announce the "Zhejiang Province Future Factory and Smart Factory (Digital Workshop) Recogni...[Details]
There are 7 operating modes in the ARM920T architecture: 1. User mode (user) 2. Fast interrupt mode (fiq) 3. Interrupt mode (irq) 4.Superuser mode (svc) 5. Abort mode (abt) 6. System mode (sys) 7. Un...[Details]
Some netizens discovered that vivo has a new 5G model V2185A that passed the national 3C quality certification on Monday. It is equipped with a V8060L0A1-CN charger (the same model as the vivo ...[Details]
On October 15, the world's largest foundry manufacturer TSMC held an earnings conference today, optimistic that revenue in the fourth quarter will continue to grow; President Wei Zhejia said that TSM...[Details]
When the CAN bus fails or data transmission is abnormal, there will often be a variety of strange fault phenomena, such as abnormal dashboard display, vehicle failure to start, failure to extinguish ...[Details]
TV manufacturers have been releasing new products intensively, hoping to compete in the second half of this year. On August 10, Huawei released the Honor Smart Screen; on August 16, TCL released the ...[Details]
1 Introduction Used to write microcontroller loader Keil is divided into two versions: MTK and C51 Please pay attention when downloading, there is no C51 series MCU in the MTK version 2. Download 1...[Details]
The National Enterprise Credit Information Publicity System shows that Ziguang ZTE (Shanghai) Technology Co., Ltd. underwent a change in its industrial and commercial information on June 2, with its ...[Details]