[i=s]This post was last edited by justd0 on 2020-9-2 22:54[/i]The ESP32-S2-Kaluga-1 development kit has a lot of media and comes with an external speaker.
The touch_audio routine is burned into the bo...
Silicon carbide (SiC) and gallium nitride (GaN) are becoming increasingly popular in power electronics, especially in automotive applications, as production volumes scale and the need for better tools...
I need a lithium battery current integration fuel gauge. The package cannot be larger than SOT23-6. Thelithium battery capacity is 50mAh, the platform voltage is 3.7V, the full charge voltage is 4.2V,...
With the rapid growth in demand for express delivery services, electric motorcycles are becoming increasingly popular due to their advantage of having a larger battery capacity than electric bicycles ...
The Internet of Things is growing rapidly. In its sub-sectors, smart home and building automation applications, smart lighting plays a vital role in achieving energy conservation and power saving, red...
Mode 2 is an 8-bit counter/timer that can automatically reload the initial value. This working mode can save the instruction of reloading the initial value in the user program. When a timer/co...[Details]
Transformer capacity calculation formula The power of the transformer is determined by the load, that is: P2 = U2II2I + U2III2II +...... + U2nI2In (VA) P1 = P2/η (VA) Where: P2 transformer secondary...[Details]
Constant current source circuit composed of 78XX
The figure shows a constant current source circuit composed of 78XX. The output voltage V of the voltage regulator is added to the resistor...[Details]
This program measures the PWM high level time and cycle through two timers and one external interrupt, calculates and displays the duty cycle high level time in 1602. The data can be measured by simp...[Details]
The second "Light" + Intelligent Driving Technology Summit was held on September 6, 2019. The forum invited government departments, consulting agencies, vehicle manufacturers, lidar manufacturers, in...[Details]
;****************************************** ;** 24CXX interface I2C bus read/write program ;** (All timings are based on 4MHZ crystal oscillator frequency) ;****************************************** ...[Details]
Recently, the top 100 companies in Wuhan in terms of research and development expenditure (hereinafter referred to as R&D) in 2020 have been released. According to the Yangtze River Daily, the top ...[Details]
At present, power MOSFET tubes are widely used in switching power supply systems and other power electronic circuits. In practical applications, especially under some extreme boundary condition...[Details]
According to statistics, the most common and serious accident when heavy trucks are turning is the collision with objects in the blind spot. In order to solve the above problems, Mercedes-Ben...[Details]
1. Model: Keysight Technologies Oscilloscope MSO9104A 2. Fault: abnormal startup 3. Testing process After disassembling the machine, it was found that the acquisition board was missing screws and...[Details]
This paper proposes a design scheme of a reflective infrared heart rate detector based on uPSD3234. The scheme uses the single-chip microcomputer uPSD3234 as the core component of the system, and u...[Details]
Recently, Brazilian media reported that Huawei is teaming up with China Mobile and may acquire Brazilian operator Oi SA. Today (23), Huawei issued a statement denying the rumor. Huawei said it has ...[Details]
According to foreign media reports, researchers at University College London have developed a supercapacitor that, although still in the proof-of-concept stage, still shows great potential as a porta...[Details]
Intel announced that its most powerful new neuromorphic research system, Pohoiki Springs, is now ready, providing the computing power of 100 million neurons. Intel will make this cloud-based system a...[Details]
C language knowledge: How to define a string: You can define a string using a character array or character pointer, or you can define a constant string using a macro definition. //Several ways to de...[Details]
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