I am very grateful to the moderator for helping me place an order. I originally selected esp32-s3, but later I saw a forum friend saying that it didn't have a screen, so I urgently changed it to STM32...
[i=s]This post was last edited by lb8820265 on 2019-7-28 20:41[/i]I used to experience the routines first, but this time I did something different and used CubeMX to create a new routine. The main rea...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. It is equivalent t...
Power-on test on the development board:Connect mouse, keyboard, network cable;linux Check out the Linux kernel, 5.4, which is quite powerful. Linux 5.4 will be an important kernel on the file system f...
Recently I need to generate a -5V voltage, and I chose the LM337 chip. According to the picture in the manual below, I would like to ask you seniors, is the VIn in the picture a positive voltage input...
Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switching ...[Details]
"It is a false proposition to continuously improve the specific energy and specific power of batteries under the premise of safety. It is like locking wolves and sheep together, expecting the wolves...[Details]
In the design of LED products, boost or buck-boost circuit design is often used . Transformers can be designed for boost but the efficiency is low. In the future, low voltage circuit devices will be...[Details]
John Anderson, an assistant professor in the Department of Chemistry at the University of Chicago, has been granted a patent for a material that could store and generate energy more efficiently and s...[Details]
German automaker Volkswagen said on January 31 that it has established its own artificial intelligence laboratory, a move that reflects the auto industry's growing ambition to adopt cutting-edge tech...[Details]
1. Overview
Detecting the fetal
heart rate
is a highly technical task. Since the fetal heart rate is very fast, between 120 and 160 beats per minute, it is difficult to measure accur...[Details]
According to China Securities Network, Shanghai held a press conference this afternoon (24) to introduce the situation of Shanghai's new coronavirus epidemic prevention and control work. A...[Details]
Chapter 5 Experimental Data of Instrument Testing
5.1 Speedometer Detection
The necessity of automobile speed detection:
The speedometer is an important instrument that provides information about...[Details]
With the development of smart cars, the design of in-car touch screens is increasingly being used in every corner of the car, and tactile feedback has also brought new functions to the car interface ...[Details]
STM8S105S4 I2C can send data from the machine with this configuration, but it cannot receive data from the machine. What's the problem?
//I2C port initialization
GPIO_Init(GPIOE,GPIO_PIN_...[Details]
Some time ago, the European Union proposed a resolution requiring mobile phone manufacturers to unify the interface to USBC. Those who have used this interface know its advantages. Android manufactur...[Details]
1. Project Overview:
With the rapid development of wireless technology, True Wireless Stereo (TWS) speakers are redefining the way of music appreciation with its excellent sound quality and se...[Details]
Analog chip suppliers Texas Instruments and Onsemi have both raised chip prices as delivery cycles extend to more than six months, and peer manufacturers in mainland China and Taiwan are expected to ...[Details]
The sensor market is one of the tech sectors hardest hit by the pandemic, which has further clouded the outlook for the automotive sensor market due to the decline in fossil fuels and internal combus...[Details]
Hyundai Mobis' new holographic display can replace the digital instrument cluster, infotainment system and front passenger display.
The screen war has reached new heights, wi...[Details]
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