1. Found an MP3 module on the InternetThis product supports TF cards. Insert the TF card and put in a few MP3s. 2. Use ESP32 to connect 16, 17 to rx and TX and connect to the power supply. Then connec...
Today I will share with you various methods of converting 5V to 3.3V.1. Use an LDO regulator to power a 3.3V system from a 5V power supply
Standard three-terminal linear regulators typically have a dr...
The event is over, and looking back at the road I have walked, I feel very relieved. I first entered this DIY event in early May. At that time, I saw everyone on EEWORLD discussing the "DIY event plan...
Be very careful when using lis25ba. I didn't pay attention yesterday and used a little too much force, which caused the solder pad of the pin header to fall off, and a wire flew off....
Is there any sensor that can measure the distance between the measuring point and the water surface? Or can I use something else to measure without a sensor? Or how to measure the volume of a containe...
The original folders on the mobile phone memory card have all changed to the suffix ink format. They cannot be opened on the mobile phone and can only be opened on the computer. What is the reason?...
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]
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]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[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]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[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]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[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]
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]
Most cameras on the market use chips manufactured by Japanese companies like Sony, Sharp, Panasonic, and LG. South Korea now has the capability to produce chips, but the quality is somewhat inferio...[Details]
Traditionally, electrical energy is transmitted primarily through wires, requiring direct physical contact between the power source and the load. With the increasing number of electrical devices in...[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]
EVTank predicts that all-solid-state batteries will achieve small-scale mass production in 2027 and large-scale shipments by 2030. Global solid-state battery shipments will reach 614.1GWh, of which...[Details]
MicroPython Open Source section
京公网安备 11010802033920号
EEWORLD
