[i=s]This post was last edited by paulhyde on 2014-9-15 09:30[/i][b][font=华文中宋][size=16pt][font=宋体]I. Principles and requirements of proposition[/font][/size][/font][/b] [font=宋体][font=新宋体-18030][size...
Recently, the teacher assigned a course design to realize a music jukebox using FPGA. Store 3 music scores in ROM, and then switch songs by pressing buttons. The specific requirements are as follows: ...
As the title says, I have looked at the common mode rejection ratio test schemes of YY1139 and IEC60601-2-25 before. I don’t quite understand why the 20Vrms/50Hz sine test signal is selected. I would ...
Please help me solve the problem. There is a statement that can be compiled in C51: struct{ any_data[5]; any_data[8]; }no1; struct{ struct part no1[2]; any_data[2]; }no2; and passed to PIC: struct{ an...
Requirement: [list=1] [*][b]Xiaomi TDS water quality monitoring pen[/b] [*][b]**The recommended water quality monitoring pen (I forgot the model, 80+ yuan, I will add it later when I find the model)[/...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]