[i=s]This post was last edited by damiaa on 2022-9-5 10:46[/i]【Jiajiabao】 esp32s2 mqtt analysis
1,【Jiajiabao】Analyze esp32s2 wifi sta and then analyze mqttThe wifi is initialized in app_main.c (see es...
1. Overview
Generally, a radio mainly uses an antenna to receive electromagnetic waves, and then amplifies the electromagnetic waves, filters them , mixes them , demodulates them , and plays them. The...
I am a DSP beginner and want to convert the block diagram of Simulink into C code and run it on DSP. My settings in RTW toolbox are: Solver: stop time select inf type select fixed-step hardware implem...
I have just started to learn MCU. Recently, I want to use MCU to control the opening and closing of MOS tube. Just opening and closing is enough. I want to use MCU to directly control the gate level. ...
When a general user of the embedded file system executes su root to switch to the root user, an error message appears: su: must be suid to work properlySolution: Modify busybox permissions, chmod 4755...
In SPI bus communication, is it true that if a device is a master device, it can only be a master device forever, and if a device is a slave device, it can only be a slave device forever? Can the mast...
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
According to foreign media reports, Nissan Motor has recently reached a cooperation with US battery technology company LiCAP Technologies to jointly promote the research and development of next-gen...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Keysight Technologies is combining its electromagnetic simulator with Synopsys' AI-driven RF design migration flow to create an integrated design flow for migrating from TSMC's N6RF+ process techno...[Details]
Plessey Semiconductors has been acquired by Haylo Labs, which was established in March last year with a $100 million, five-year loan from Chinese technology company Goertek.
Haylo Labs w...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[Details]
Introduction: In digital circuit calculations, there is no concept of decimal points. You know where the decimal is, but the circuit does not know where the decimal point is. Therefore, you need to...[Details]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[Details]
As the core of electric vehicles, batteries are concerned with vehicle use and maintenance. The operation of vehicles is guaranteed by the electricity generated by batteries. For batteries, battery...[Details]
Munich, Germany, August 19, 2025 –
Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, announced today that its AIROC™ CYW20829 Bluetooth® low e...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]