Design steps 1) Analyze the design requirementsThe output power can be used to calculate the emitter current; when selecting a transistor, you need to pay attention to the frequency characteristics. 2...
1. Overview
With the rapid development of communication technology, people have put forward higher requirements for the services provided by mobile networks. GPRS (General Packet Radio Service) is a w...
This article introduces how to configure the Qt runtime environment on an embedded Linux development board and perform a Qt program run test.
1 tslib compilation
tslib has been used before when testin...
Learn and win awards at the same timeLet’s keep it simple and get straight to the point!Event time: From now until October 31, 2019Activity process:
1. Open theBuild a healthy life, achieve powerful t...
With the advent of the digital economy era, the integrated circuit industry is not only a basic industry for the development of the national economy, but also an important component of the new genera...[Details]
In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointers ...[Details]
There are many posts on this forum about articles on single-chip microcomputer controlled switching power supplies, and the debate is also very intense. I would like to take this opportunity to talk ...[Details]
Autonomous driving is the product of the deep integration of the automotive industry with new-generation information technologies such as artificial intelligence, the Internet of Things, and high-per...[Details]
Master the simple programming of industrial sequential control programs and the use of interrupts.
Experimental content
1. Experimental schematic diagram:
2. Experimental content
P1.0...[Details]
Fast Technology has learned that there have been many rumors recently that Qualcomm's new generation flagship chip will not be called Snapdragon 898 as previously reported, but will adopt a new...[Details]
(1) Label: BCDA Function: Multi-byte BCD code addition
Here is a multi-byte BCD code addition and subtraction subroutine written in MCU assembly language.
Entry conditions: byte number i...[Details]
All I/O registers can be accessed through the IN (I/O port input) and OUT (output to I/O port) instructions. These instructions are used to transfer and exchange data between the 32 general registers...[Details]
New imaging applications are booming, from collaborative robots in Industry 4.0, to drones for firefighting or in agriculture, to biometric facial recognition, to point-of-care handheld medical devic...[Details]
On March 22, the National Energy Administration issued the Action Plan for Accelerating the Integration of Oil and Gas Exploration and Development with New Energy (2023-2025). It mentioned:
Ac...[Details]
Analyze the following program. Why is the following program interrupted? Reality 40 (I wanted to program it as a 40S countdown) Hint: The problem lies in the delay subroutine
#include reg51.h
...[Details]
20 years ago, the advent of easy-to-use
integrated
switching regulators revolutionized
power
management technology. Previously, most applications used linear regulators as
the p...[Details]
In Figure 3.4, the size of the ground loop is 1IN*3IN. The typical size of the ground wire of this type of probe is American Wire Gauge (AWG) 24, with a wire diameter of 0.02IN. Using the ind...[Details]
Yan'an High-tech Zone Investment Promotion Team went to Chengdu and Wenzhou to conduct investment promotion inspection activities. From October 14th to 19th, Qin Li, member of the Party Working Commit...[Details]
Analogue and Mixed Signal
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