Wireless products themselves are somewhat complex. For example, during the development of a transmitter, you will encounter various digital bus signals (I2C, SPI, etc.), as well as various timing test...
Experts, let me ask the next question: How to use programming to change the wince desktop background, for example, to change it to the picture in the specified position. The following is the code I ra...
RT, the main control chip is the stm32f103zet6 of the atomic battleship development board. Note that the selected IO allocation must be compatible with the 5V level, unless the LCD you use is 3.3V lev...
[size=4][color=#ff0000][b]Submission time: [/b][/color] From now on - March 31, 2018 [color=#ff0000][b]Participation method: [/b][/color] Complete >> [url=https://home.eeworld.com.cn/home.php?mod=spac...
Basic knowledge of DC-DC for beginners : https://training.eeworld.com.cn/course/284This course is the first lesson in the power supply series. It mainly explains the basic theoretical concepts, classi...
EXTCLK is connected to 11.0592M crystal oscillator. XIN is grounded. CLKMD0 and CLKMD1 are both connected to high level. Timer0.Period = 0x1d4c0; Timer0.Counter = 0x1d4c0; Timer0.Control = 0x3f2; How ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
RF/Wirelessly
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