Embedded real-time operating systems provide common queue and semaphore mechanisms for task interaction, and FreeRTOS is no exception. Developers who are new to FreeRTOS usually choose these two famil...
MV-700 Industrial HD Image Acquisition Card 【Features 】 MV-700 is a high-quality image acquisition card. It supports two composite video inputs and one S-Video input, and its highest resolution can re...
[i=s]This post was last edited by jinglixixi on 2022-3-24 18:17[/i]Recently, Arteli launched a new product AT32F425, which gradually enriched the functions of the AT32F4 series. The appearance of the ...
I am declaring my personal income tax recently. By the way, I want to ask if civil servants and public institution staff have to pay personal income tax. For example, civil servants in first-tier citi...
As a high-precision system for measuring the amplitude and phase of microwave signals, the measurement accuracy of a vector network analyzer depends largely on calibration (the process of improving a...[Details]
If you simply use USART, the configuration is quite simple. You only need to configure the baud rate, data length, stop bit length, and check bit. Then set the pins of the serial port, the input is u...[Details]
According to Android Authority, the Samsung Galaxy Note 20 may be officially released on August 5, and new products such as Samsung Galaxy Fold 2, Galaxy Tab S7, Galaxy Watch2 are also expected to de...[Details]
Solution: The period of a 50HZ square wave is 20ms. A timer can be used to generate a 10ms timing. By changing the level of P1.0 every 10ms, a 50HZ square wave can be obtained. At this time, timer T0...[Details]
Compared with models with single-axle drive, all-wheel drive (AWD) models can provide stronger power and better driving safety. At present, this technology has been increasingly used in high-end cars...[Details]
Sources of measurement error are caused by the accuracy of the test system and unexpected transients during the signaling and measurement of the OLED. When performing fast production test, the abilit...[Details]
Today, programmable devices are developing towards high density, low power consumption and high speed. This year, Lattice Semiconductor launched a CPLD device series called ispMACH4000Z, which ha...[Details]
The realization of self-driving cars is inseparable from hardware equipment such as millimeter-wave radars, lidars and on-board cameras installed on vehicles. By collecting data on the traffic enviro...[Details]
1. Hardware preparation: a computer, a programmer, an 89C51, an experimental board, a simulator, and other common tools. If you want to learn microcontrollers but are unwilling to make these investm...[Details]
Electric bicycles are low-speed vehicles, and they are the first of their kind in China. The number of electric bicycles in China has reached nearly 300 million, and the annual output value exceeds 1...[Details]
This article is translated from fierceelectronics Millimeter-wave radar uses distance, velocity, and angle-of-arrival information along with simple tracking algorithms to sense not only the locatio...[Details]
On July 9, in the Internet Department Office of State Grid Ningxia Electric Power Co., Ltd., department staff discussed and improved the suggestions put forward by more than 200 experts and scholar...[Details]
First, improper use by users
When the user of the gas alarm uses the gas detector , the air conditioner and heating equipment are installed close to the combustible gas detector. When the air con...[Details]
/*Experimentally proven
AT89C52 and LCD12864
do not use BF (busy signal) query, delay 1ms
and cannot perform BF query*/
rs bit p2.4
rw bit p2.5
e bit p2.6
psb bit p2.1
res bit p2.3
co...[Details]
0 Introduction Quartz crystal resonators (hereinafter referred to as quartz crystals) are widely used as time frequency references and provide synchronization pulses for sequential logic circuit...[Details]