After receiving the express, I opened it and checked it immediately. The outer packaging was fine, but the inner packaging was the standard packaging of the STM development board. However, this develo...
Problem description: An FPGA development board implements the MAC layer, IP layer, UDP layer, and ARP protocol. The PHY uses DP83848 and runs the MII interface. Now the development board is directly c...
Whether it is a desoldering station or not, it has this function anyway. 1. Find a heating plate of a rice cooker2. Connect the wires.3. Put the board on it and heat it4. Precautions: 1. Safety. ...No...
I want to use vfw to capture images on a wince embedded platform (I heard that vfw can be used on wince). When I used PB to generate the system, I selected all Audio, Graphics, and Media under Core OS...
[b]Xi Jinping's Speech on the 77th Anniversary of the July 7 Incident[/b][align=center]({transferred}[original])[/align] [size=4] Fellow countrymen, comrades, and friends: Today, we solemnly hold a ce...
Microcontroller Lesson 5: Analysis of the Internal and External Structure of Microcontrollers (Part 3) 1. Delay Program Analysis In the last lesson, we already knew that the symbols R7 and R6 in the p...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]