There are a few questions I don’t understand:1-TouchScreenCallbackSet(WidgetpointMessage);2-WidgetMessageQueuePrecess();
What exactly do these two sentences convey?Discuss:It seems that TI's graphics ...
Pseudo is not present but is required, building this first before the main build
ERROR:OE-core's config sanity checker detected a potential misconfiguration.Either fix the cause of this error or at yo...
Recently I want to use stm32 to make a small work of temperature detection. I use DS18B20. There is a problem that I can't solve. I hope you masters can give me some advice. 1: Every time the developm...
Completely independent software and hardware design, in order to be more down-to-earth and practical, we are here to solicit opinions and ideas from all friends. As the saying goes, three cobblers are...
I beg you to help me read data from 12864 and debug with the existing subroutine. If I write data to a certain address (such as 0x80), and the following sentence follows the data reading, I can read t...
I don't know what's wrong with the perpetual calendar. I wrote the program in 1302, but when I read it out, the digital tube does not display numbers. I only see the seconds jumping. Please help me fi...
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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[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
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Microcontroller MCU
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