In Hall W6, the presence of numerous foreigners confirmed the approach of these exhibitors. -------"Our electronic products are sold abroad, not for the domestic market. Why is that? Everyone seems to...
My platform is pxa255 + wce4.2. When adding a custom interrupt, the first thing is to connect the hardware, that is, the interrupt source is connected to a GPIO of pxa255, and the GPIO is set to input...
I checked MSDN and found CLUSCTL_RESOURCE_TYPE_STORAGE_GET_AVAILABLE_DISKS, but it is too annoying to use. Is there a function like _getdrives that can do it with one sentence?...
[font=微软雅黑][size=3]I just bought a new computer. It was supposed to be unboxed, but unfortunately I bought an official refurbished version. Without the original box and film, there is nothing to unbox...
The bitmap drawn in the static LRESULT CALLBACK Proc(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam) function of TCPMP is always covered by other windows. Does anyone know why? Thanks! case WM_PAINT...
When LCD12864 displays images, there are many noises around them. What good suggestions do experts have for removing the noises? I have tried delaying the start of the program and clearing the screen,...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
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]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]