[i=s] This post was last edited by jchjk800 on 2015-2-10 23:22 [/i] [color=#000] Pre-amplifier 0-100 times adjustable--------Filter (3-20KHZ to be determined)-------Post-amplifier 0-100 times adjustab...
I would like to ask all the experienced seniors, for a project that takes about 2 years, this project is self-developed, not an order-based project. What kind of people usually do the project requirem...
The program flow is like this: detect the driver's current alcohol content (blow into the alcohol test module), if the alcohol content is greater than 30, send a command to the vehicle to cut off the ...
Each bit of all bytes is transmitted through SDA, and there must be 1 and 0. The code is similar to the following. char ReadI2CByte(void) { /*Read a byte from the I2C bus*/ char b=0,i; for(i=0;i<8;i++...
I just started to learn file system filter driver development. I installed the ifs ddk, but I can only compile the built-in examples. I have difficulty in generating ".sys" files from scratch. I hope ...
Kindle Fire's BOM is about $150, dual-core OMAP 4430, and has roughly the same configuration as RIM's Playbook, which has a BOM of $170. The specific reductions include: removing the front and rear ca...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m～1kHz), audio (20Hz～20kHz), video (20kHz～10MHz), radio fre...[Details]
The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
Electronics Design Contest
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