I want the MCU to receive a specified character (such as 's') sent from the PC, and the LED will light up, otherwise the LED will go out. The character reception and transmission are normal, but the L...
This article briefly introduces the function and testing of engine controllers. Table of Contents: · History of ECUs · Purpose of ECUs · Why test ECUs? · Challenges for test system developers · How do...
Well, maybe you know, I had a lot of trouble with M25P80. I think I wrote the timing right. I just don't know how to operate FLASH chips. For example, I don't understand what it means to erase before ...
Generally speaking, when the phone is powered on without a SIM card inserted, a dialog box prompting "No SIM card" will appear. If no operation is performed, this dialog box will not close. However, i...
[size=4][font=微软雅黑]Let’s first announce the participating projects: First is [color=#000]cz380921140’s project:[/color][/font][/size][b][font=微软雅黑][size=4]【Participating】Running Snake Based on LaunchP...
[i=s] This post was last edited by Xiaoan on 2014-8-1 17:09 [/i] Don't trust the oscilloscope too much. I thought it should output the yellow block (the sunken part in the picture, composed of thousan...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]