Run the AndroidStudio program. As shown in the figure below, choose to create a new AndroidStudio project (based on Xunwei-i.mx6 development board).Change the application name to "helloworld" and chan...
I found a code on the Internet that hides the taskbar: HWND hTaskBarWnd=::FindWindow(_T("HHTaskBar"),NULL); if (hTaskBarWnd) { ::EnableWindow(hTaskBarWnd,FALSE); ::ShowWindow(hTaskBarWnd,SW_HIDE); } H...
Do you remember the TI analog chip group purchase on EEWORD in early 2012? I bought the TMP275 temperature sensor chip, and it finally came in handy today, haha! STM32 microcontrollers should be a ver...
[i=s] This post was last edited by qwqwqw2088 on 2014-7-26 23:32 [/i] 1. Title: Design of a high-intensity flashlight circuit with a single LED lamp bead. The power supply adopts 2 lithium batteries c...
Let stm32 continuously convert a channel, store it in an array of AD[32] through DMA, store it in FIFO mode continuously, and when needed, add all the arrays and divide them by 32 (shift). Has anyone ...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[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 Guang...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Embedded System
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