According to market analyst ABI Research, despite the significant impact of Covid-19 on the mobile device market, smartphone sales and increased demand for more wearable devices, tablets and laptops h...
I would like to ask you, what do you use for the isolated control from the control chip to the PWM control port of the dedicated stepper motor?
Optocoupler? Magnetic coupler? Optocoupler + logic shapi...
[i=s]This post was last edited by damiaa on 2019-3-6 10:47[/i] STMicroelectronics is launching the STM32MP1. What do you think of this chip? My personal opinion: ST has finally launched a chip that ru...
[p=28, null, left][color=rgb(85, 85, 85)][font=微软雅黑, 微软雅黑, "][size=14px]PCB component pad design is a key point. The quality of the final product lies in the quality of the solder joint. Therefore, wh...
Due to the adoption of openCPU architecture, the development environment of EVK-NINA-B400 evaluation kit is basically the same as the development environment of Nordic SDK.Nordic recently did a live b...
Foreign media quoted people familiar with the matter as saying that Intel is seeking to spend $30 billion to acquire GlobalFoundries, the world's fourth-largest chipmaker. If the negotiations go smoo...[Details]
The first mass-produced phone with an under-display camera, the ZTE Axon 20 5G, has already been released, but as expected, the photo quality of the under-display front camera is somewhat disappointi...[Details]
What is the testing principle of ultrasonic hardness tester? Ultrasonic hardness tester is a commonly used hardness measuring instrument. Now hardness measurement has been widely used in industrial ...[Details]
Chedongxi reported from the Tokyo Motor Show on October 25 that Nissan released a number of new technologies at the Tokyo Motor Show, including making the windshield into an AR screen and its latest ...[Details]
Over the past five years, China's leading Internet groups Baidu , Alibaba and Tencent have competed to put lucrative applications on smartphone screens. However, they are now turning their attentio...[Details]
According to foreign media reports, Apple’s car project was previously revealed to be at a standstill. After laying off the team working on its self-driving car project in early 2023, Apple has added...[Details]
A test report may contain dozens of oscilloscope screenshots, so whether the oscilloscope screenshots are convenient is very important. Traditional oscilloscope screenshots usually use a USB flash dr...[Details]
Well, I will continue writing now while I am still in good spirits. Now I will summarize the driver of the buzzer. To put it simply, the buzzer is driven by PWM. It is very simple. Just give it a p...[Details]
Backseat passengers are annoying to everyone in the car and take away the fun of traveling. Some backseat passengers often tell the driver where to go and what to do, fearing the driver will make a m...[Details]
Last time, the NAND flash was ported from Linux-2.6.38 to Tiny6410. The porting manual (Part 1) can be found at http://www.arm9home.net/read.php?tid-14196.html . Today, we are porting the DM9000 ne...[Details]
(1) Principle of single chip computer system keyboard The connection method of the column keyboard is more complicated than that of the independent keyboard, and the programming implementation is als...[Details]
On January 20, the Shenzhen Regulatory Bureau disclosed Jinyuan Securities' registration information on the initial public offering and listing guidance of Shenzhen Jingyan Kejie Technology Co., Ltd....[Details]
Code editing analysis: (comments can be deleted during runtime, the development board is mini2440)
Create assembly file led_on.S
.global _start
-start:
LDR R0,=...[Details]
As we all know, all vehicles equipped with engines must meet the National VI emission regulations. Starting from the "Light Vehicle Pollutants and Measurement Methods (China Phase VI)" issued on De...[Details]
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