Is anyone working on the stm32f4 series? After the USB host interface on the board is plugged into the USB, when debugging the USB HOST program, the device cannot be detected, that is, an interrupt ca...
A button connected to a pin, with the other end of the button grounded. After the button is released, is the zero value written into the register? Is the register value connected to the pin 1 after re...
Development board: Terasic DE1-SoC, main chip: Cyclone V series 5CSEMA5F31C6. Please tell me, after I regenerate the device tree, how can I replace the original device tree file in the SD card?...
Dear seniors, I am a student who has just started to learn single-chip microcomputers. I want to buy a 51 development board. I don’t know which company produces the best 51 development board? I would ...
Hello everyone, I'm new to stm32 and don't know much. When I'm doing serial communication, gpio, rcc, and usart are all configured, but the main function I wrote is incorrect. How can I implement the ...
I just started using 430. All the information I saw was in English. I didn't understand much. Today I went to buy an F1132. The information in the store said AD 5/10 (maybe I read it wrong). I came ba...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[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]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]