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...
1. Create a project and set the startup file for the selected model Select the startup file corresponding to the MCU model: * startup_stm32l1xx_md.s: for STM32L Ultra Low Power Medium density devi...[Details]
Research on a new type of withstand voltage test system
This paper introduces a withstand voltage test system controlled by an industrial PC and in compliance with the IEC61010 ...[Details]
The selection and use of probes need to consider the following two aspects: First, because the probe has a loading effect, the probe will directly affect the measured signal and the measured circuit;...[Details]
Apple announced that it has nearly doubled the number of suppliers that have committed to using 100 percent clean energy to produce its products, bringing the total to 44, Business Wire reported. Tha...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
When selecting a stepper motor, first of all, we must ensure that the output power of the stepper motor is greater than the power required by the load. When selecting a power stepper motor, we...[Details]
The National Development and Reform Commission and the National Energy Administration issued the "14th Five-Year Plan for the Development of New Energy Storage", and the Henan Provincial People's G...[Details]
The autonomous driving technology in science fiction movies has fascinated everyone. In recent years, with the improvement of artificial intelligence technology, driverless cars have gone from bein...[Details]
IOGEAR officially launched a high-capacity mobile power bank today. This model is the GMP10K ultra-large capacity mobile power bank equipped with a 11000mAh battery, which can provide charging serv...[Details]
Introduction At present, laser pulse ranging method has the advantages of long detection distance and low requirement for light source coherence, and is widely used in various fields. It uses th...[Details]
The history of human evolution and development is a history of continuous creation and use of tools. Tools are the physical manifestation of human imagination and a great boost to social progress. Fo...[Details]
On April 25, 2014, TUV SUD (hereinafter referred to as TUV SUD) issued TUV SUD safety certification certificates for the products "Photovoltaic Energy Storage System" and "Photovoltaic Energy Stora...[Details]
The STM8S series microcontrollers of STMicroelectronics are very cheap and have rich peripheral resources. I decisively chose this microcontroller (STM8S103F3P) at the beginning. I didn't know until I...[Details]
Crystal diodes have two electrodes, positive and negative, with small forward resistance and large reverse resistance. Taking advantage of this feature, you can use the resistance range of a multimet...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive tag...[Details]
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