Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Prepare to install the module with Python pip, prompt 'pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object
After searching for a long time, I felt that I couldn't find the ...
[i=s]This post was last edited by Yizuofenji at 2022-1-24 13:00[/i]1. Introduction
In the first post, we described the process of building a BLE environment and burning the official Demo directly into...
Overall architecture1.1 8051 Core1.1.1 IntroductionThe standard 8051 , or MCS-51, is a 12 -cycle 8051 CPU , while the WS51F7030 series chips use a single-cycle 8051 CPU , which is fully compatible wit...
High-frequency clockBased on an external crystal, the internal crystal oscillator of ESP8266EX can generate the RF clock. This clock can be used to drive the TX and RX mixers. The crystal frequency is...
STM32 Cotex-M3 GPIO port introduction and configuration
1. GPIO port introduction
1. GPIO port input and output mode
1.1 Generally speaking, there are 8 configuration modes for the input ...[Details]
According to foreign media reports, teams from Lawrence Berkeley National Laboratory (Berkeley Lab) and Florida State University (Florida State University) have developed new solid-state battery desi...[Details]
I want to make a series of products that will bring together the major domestic OEMs. The selection of battery strategies is reviewed in a 2.5-year cycle. First, we start with the strategies of dome...[Details]
After more than a year of construction, the Qinghai Province Photovoltaic Inverter System Equipment Manufacturing Base invested and constructed by Sungrow Power Supply (Qinghai) Co., Ltd. was com...[Details]
Formal large and medium-sized enterprises will set up product production process cards during the production process to record important information such as the source and batch of raw materials, p...[Details]
According to the latest research report from TrendForce's Optoelectronics Research Center (WitsView), global TV shipments in 2020 are expected to decline by 5.8% year-on-year to 252.1 million units d...[Details]
LeddarTech® , the industry leader in providing the most versatile and scalable automotive and mobility LiDAR platform, will collaborate with STMicroelectronics, a global semiconductor leader , to ...[Details]
On December 12, the industry exposed the Xiaomi Mi 12 Ultra phone case, and in the evening, the real back photo of the phone was exposed. As can be seen from the picture, the Xiaomi Mi 12 Ultra phone...[Details]
The chip structure design of LDE is a very complex system engineering, which involves the design of electroluminescent structure for the purpose of improving injection efficiency and light efficiency,...[Details]
Looking back on 2023, this year smart driving players officially sounded the clarion call to conquer urban areas. The concept of picture-free began to rise. The concept of "cost-effectiveness" was me...[Details]
Properly maintained rechargeable batteries provide good service and a long life. Maintenance includes regular monitoring of the battery voltage. The circuit in Figure 1 is suitable for most rechargeab...[Details]
1. Background
I found a stepper motor (probably the one I removed from the camera before, a 42 stepper motor) while cleaning up. I'll try to drive it. I'll just record it briefly, the content ...[Details]
Under the influence of the COVID-19 pandemic, Internet video traffic is growing at an accelerated rate. Video transcoding workloads in e-sports, telemedicine, e-commerce, entertainment, and distance ...[Details]
The real world is analog in nature. Any information we need to collect from the world around us is always an analog value. But to process analog data within a microprocessor, it needs to be converted ...[Details]
Tesla recently released an OTA upgrade package for firmware version V12.5.4.1, claiming that it had upgraded the vehicle's smart summon function, adding a remote driving function to it, allowing ca...[Details]