**1. Topic** How to dynamically open the log of the Bluetooth kernel **2. Problem background** Product: Tina product such as scanning pen Hardware: V853 + XR829 Software: Tina linux4.9 The purpose is ...
The circuit diagram of this part is as shown in the figure. The signal generator PULSE generates a +4V square wave signal, and the driver IC1 converts it into a +18V square wave signal and outputs it ...
Part 1: Basic design principles for basic power supply and groundNoise on ground and power linesThe ideal ground resistance is zero, but in reality the ground always has a certain impedance. Especiall...
I would like to ask: In a low-power battery-powered product, in addition to shutting down the internal module functions and clocks when not needed, how should the ADS/DIR/open-drain/pull-up/pull-down/...
Author: Aki LiDuring the project development process, developers want to encapsulate some core codes for the purpose of protecting core algorithms, so that other users cannot view the specific code im...
According to Dazhong.com, Shandong Guohong Zhongneng's annual production of 110,000 silicon carbide substrate wafers project will complete the first phase of construction at the end of July, complete...[Details]
According to a report from The Wall Street Journal, Apple is developing in-screen fingerprint technology for the iPhone 13, a feature that will serve as a secondary biometric option alongside Face ID...[Details]
ARM==Advanced RISC Machines It has created a brand-new business model, realized a fabless factory, and made profits by selling licenses for chip technology intellectual property rights. Sec...[Details]
The press overload protection device is an important device used to protect the press from damage during operation. It can monitor the working status of the press in real time. When the press is ab...[Details]
The MCR instruction transfers the ARM data register to the coprocessor register. If the coprocessor cannot successfully perform the operation, an undefined instruction abort will occur.
Grammar teach...[Details]
1. Hardware Solution This design mainly uses a single-chip microcomputer to design and make a set of intelligent trash cans. It is required to use a single-chip microcomputer as the control core, det...[Details]
In order to overcome some shortcomings in the application of virtual oscilloscopes, a new bus interface standard, the USB interface, is adopted in virtual oscilloscopes. This paper mainly introduce...[Details]
First, configure the TFTP service in UBUNTU. For specific settings, see http://network.51cto.com/art/201009/225284.htm
Open MINICOM and enter UBOOT
Set the T...[Details]
The following 3D diagram is from the process engineer of Sissen Automation. The boiler drum level measurement analysis comes from the joint explanation of the field service engineer and the production...[Details]
Jiwei.com reported on January 21 that yesterday, Chnbrand, an authoritative brand rating agency, released the 2021 (7th) China Customer Recommendation Index (C-NPS®) brand rankings. Let’s take a look...[Details]
1 Introduction
Intelligence has become a new trend in the toy industry. Integrating voice technology into toys can not only give toys the ability to "listen" and "speak" to make them more vivid...[Details]
As energy conservation becomes a major issue in today's world, power management is becoming more and more important, and the improvement of technology is constantly optimizing the energy efficiency...[Details]
Countdown to the Beijing Winter Olympics, technology helps the Olympics, exciting things are expected September 16, 2021, Beijing - The 2020 Tokyo Olympics has come to a successful conclusion, and ...[Details]
In 2011, the global market size of microelectromechanical systems (MEMS) reached 10.2 billion US dollars, an increase of 19% over 2010. This growth rate far exceeded the 1.8% increase in the global s...[Details]