ESP32-Cam is a compact, low-cost ESP32 development board with an OV2640 camera. There is no USB programming port, so an external programmer such as FTDI, CH340 or CP2102 is required to upload code via...
[i=s] This post was last edited by bigbat on 2019-1-27 11:23 [/i] Request: Recommend a PHY chip for stm32f407! The information found online are all TI's DP83848 and LAN8720A. The price of DP83848 is n...
[i=s]This post was last edited by ID.LODA on 2018-12-17 14:32[/i] [font=微软雅黑][size=4]Thank you very much for the evaluation opportunity provided by the community. [/size][/font][font=微软雅黑][size=4] [/s...
Please recommend some books that explain the basics of class D amplification, current mirror, differential amplification, phase-locked loop, RF oscillator, balun, etc. Don't try the ones that start wi...
The new member of the Xiaomi MIX series, the second generation MIX FOLD, will be released as early as Q2 2022. This is Xiaomi’s second foldable screen mobile phone. Earlier, industry insider Ross Y...[Details]
According to Japanese media reports, in order to steadily advance its new energy vehicle layout in China, Toyota is currently negotiating cooperation with battery manufacturer China Contemporary Ampe...[Details]
As a person with a bad memory, it is a tragedy to always forget the key. I have been locked out several times, and waiting is a painful thing. I decided to change. I will not forget my finge...[Details]
my country's integrated energy services as a whole are still in the early stages of development. Relevant companies have been planning projects such as energy internet, smart energy, multi-energy c...[Details]
introduce
Software Defined Radio (SDR) is a wireless device with a reconfigurable hardware platform that can span multiple communication standards. Software Defined Radio has quickly become th...[Details]
On January 10, the Office of the People's Government of Shanwei City, Guangdong Province, issued a notice on the issuance of "Several Measures for Shanwei City to Accelerate the High-Quality Develo...[Details]
While there may be widespread recognition that electric vehicles are more environmentally friendly than gasoline or diesel cars, some consumers stubbornly refuse to make the switch, primarily because...[Details]
Recently, Sichuan Power Exchange Center comprehensively summarized the operation of Sichuan power market in 2019 and compiled the "Sichuan Power Market 2019 Annual Report" for reference by market p...[Details]
Which is more annoying, a dead battery or having to recharge frequently? With the rapid spread of mobile phones (especially smartphones) around the world, people are always connected 24 hours a day, ...[Details]
Capella Technology, represented by the Quan Ding Group, pointed out that the Energy Star 5.0 specification has required TVs to have relevant requirements for the power consumption of the entire machin...[Details]
introduction
Since its introduction in 1884, the Jacquard device of the Jacquard warp knitting machine has developed from mechanical to electromagnetic and now piezoelectric, namely the Piezo Ja...[Details]
There are many flow meters used to measure the flow of dirty water, clean water and other liquids on large-diameter pipelines, but they still have their own advantages and disadvantages. During the me...[Details]
Photovoltaic power generation systems use electronic components to convert solar energy into electrical energy. The inverter, as the core of the entire system, is usually divided into two categories:...[Details]
In order to reduce pollution, save water and reduce emissions, it is necessary to strictly measure and control domestic water, industrial water, circulating water and discharged sewage. Flow measurem...[Details]
Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]
MicroPython Open Source section
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