[i=s]This post was last edited by Jacktang on 2020-11-4 07:41[/i]Experimental resultsAfter installing the HC-PDA-ANDROID.apk software on the phone, the system is turned on. The phone can search for th...
1. Before testing, you need to understand the working principle of the integrated circuit and its related circuits. Before checking and repairing the integrated circuit, you must first be familiar wit...
Why when I use MDK and ULINK ME to download the program, the following error message appears: Error: Flash Download failed-Target DLL has been cancelled.[img]1[/img]
Urgent help, if anyone knows pleas...
1. Does anyone know that the Linux kernel in the virtual machine is 2.4, and the system on the ARM9 learning board is 2.6. So can the compiled file be executed on the development board? 2. Kernel tran...
Recently our company has a plan to use an encryption chip. I heard that the encryption chip ESPU0808 is good. I also saw their company at the last IC exhibition in Shenzhen. Has anyone used this chip?...
I use CpuTimer0 to sample 256 points, AD works in cascade mode, the input signal is in channel 1, the input is a sine wave, the sampled data are all the same, what is the problem, which god can help m...
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's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[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]
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]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
The NCL30051 from On Semi is a peak current controlled fixed off time buck controller designed for LED driver applications. It has adjustable off time, 250mA source/500mA sink peak drive capability, ±...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]