Shengbang Microelectronics is a semiconductor company that focuses on the research and development and sales of high-performance, high-quality analog integrated circuits. Shengbang Microelectronics products have excellent performance and quality and can be widely used in many fields such as mobile phones, TVs, DVDs, digital cameras, laptops, consumer electronics, automotive electronics, industrial automation control, medical instruments, LCD displays, etc.
I recently developed a program to drive a stepper motor with PWM wave using STM32F767. The PWM wave is generated by the PB0 pin of timer 3. [backcolor=rgb(222, 240, 251)]The manual says that TIM3 is 1...
When doing video transmission between DSP and FPGA, the communication method used is EDMA. For the sake of system introduction, data transmission between DSP and FPGA is realized through EDMA.
First, ...
I've been playing with the L552 board recently, and suddenly I wanted to use FREERTOS. I wanted to port it myself, but when I looked online, I found that most of the posts were based on the porting of...
[i=s]This post was last edited by Jacktang on 2022-1-6 13:15[/i]What is the most widely used power amplifier circuit at present?
Answer: The most widely used power amplifier circuits at present are OT...
1. The NB-IoT standard has four major characteristics : First, wide coverage, which will provide improved indoor coverage. In the same frequency band, NB-IoT has a gain of 20dB over the existing netwo...
[i=s]This post was last edited by Xiao Yuwen on 2021-6-29 17:02[/i]Purpose: To collect a piezoelectric sinusoidal signal of about 100 Hz. I want to output a pulse at the voltage peak with adjustable p...
China Energy Storage Network News
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I have been struggling before whether one timer can capture multiple inputs, because after all, it is easy to output four-channel PWM. At that time, I thought about it and felt that it might b...[Details]
It is reported that in the additional product list worth US$4 billion, the EU goods that will be taxed mainly include cheese, milk, coffee, pork products, Irish and Scottish whiskeys, and some metal ...[Details]
Android phones are the new favorites in the smartphone family, and are poised to become the leader.
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The voltage following circuit of an op amp, as shown in Figure 1, uses virtual short and virtual open circuits. It looks simple and clear at first glance, and there is not much to pay attention to. T...[Details]
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Kernel version: linux-3.4.2 lcd: 4.3 Before I go into the code, I have to explain some basic knowledge points. For LCD driver, we only need to write the code for the hardware. The following three f...[Details]