38hot bought a second-hand power supply. There was too much dust inside. It was not easy to use a vacuum cleaner or a rag. Finally, I thought of this trick and it worked.This content is originally cre...
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
[size=4](1) The RC oscillator circuit has a simple structure, is easy to adjust, and is economical and reliable. [/size] [size=4] [/size] [size=4](2) The oscillation frequency of the RC oscillator cir...
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]1 Test baud rate
AT
2 Turn off echo
ATE0
3 Check whether the SIM card is normal. If it returns to normal, go to the next step
AT+ECICC...
Create a rotating LED using the classic 555. When the switch is pressed, the LED rotates very fast. After the switch is released, the rotation gradually slows down and eventually stops.From: http://ww...
Recently, media reported that Tesla displayed two Model Y seats at the Country Fair held at the Gigafactory in Berlin, one of which was without cushions and the other was completed. Both seats...[Details]
GPU now seems to have surpassed CPU, whether on the desktop, server or mobile phone, it can significantly improve the user experience in image processing or ML processing. Arm recently launched the I...[Details]
In the early morning of December 17th, Beijing time, Google and Qualcomm announced on Wednesday that starting with Android phones equipped with Snapdragon 888 chips, the two companies will pro...[Details]
0 Introduction
Formaldehyde is a toxic gas that is widely present in home decoration materials and endangers people's health. Therefore, formaldehyde monitoring is particularly important. With the ...[Details]
On September 26, according to Taiwan's "United Daily News", as TSMC's supply chain expands CoWoS advanced packaging production capacity, the increase in the price of these interlayer films will event...[Details]
Ⅰ. Write in front The content of this article is just as the title "Configuration", but the title contains more content, so I plan to divide it into two articles: Configuration (I) and Configuration ...[Details]
TSMC's customer list shows that Apple is the absolute main source of TSMC's customer revenue, accounting for 25.9% - no other company has reached double digits. Data from Bloomberg and DigiTimes sh...[Details]
Samsung Note20 is scheduled to be released on August 5. Recently, this SM-981B device has been connected to the US FCC (Federal Communications Commission). The network access information show...[Details]
When talking about AVR code segments in "AVR Microcontroller Principles and GCC Programming Practice" P117, it is mentioned that the .bss segment contains a very interesting .noinit segment. .noini...[Details]
For noise figure testing, the Y-factor method is selected for testing in most cases. However, when the device under test contains an automatic gain control circuit (AGC), the Y-factor method is subje...[Details]
Jiwei.com reported 24,000 views! The latest round of roadshow live broadcast held after Jiwei Network Core Power Cloud Roadshow Open Platform has once again attracted high attention from the entire i...[Details]
Recently, Maxim announced the launch of the industry's first AEC-Q100 Grade 1 security authenticator DS28C40 DeepCover. The device can ensure genuine automotive parts and improve the safety and relia...[Details]
This book introduces the motor drive system, DC-DC converter, wireless charging system, vehicle controller, battery management system and electromagnetic compatibility of new energy vehicles by com...[Details]
Introduction: The data of new energy vehicles in some regions of Europe have been released. Surprisingly, in France, Spain and Italy, three regions with severe epidemics, the overall new energy vehi...[Details]
The PT100 temperature sensor is a temperature measurement device widely used in the industrial field. Its working principle is based on the characteristics of platinum resistance changing with temp...[Details]