For a system, power supply is one of the key components. When modifying it, I thought that if it needs to be charged frequently, it will bring a lot of inconvenience, so I gave priority to using solar...
[i=s]This post was last edited by Changjianze1 on 2020-10-17 00:58[/i]32- bit MCUs basically have low-power modes, whether it is sleep mode, stop mode or standby mode.A brief introduction to STOP mode...
[align=center][size=3]Four Things to Consider When Using a DAQ as a Data Logger[/size][b]Reveals[/b][/align][align=center] No.1: An overview of the components that make up a typical DAQ and the pros a...
The power supply part was introduced in the previous post . Here we analyze the power supply control in more detail. The circuit diagram is as follows:VBAT is a lithium battery, which is stepped down ...
[i=s]This post was last edited by chrisrh on 2022-3-31 14:29[/i]During the Winter Olympics, everyone was playing Bing Dwen Dwen on JLC, so I also found a Dwen Dwen and made some simple modifications~~...
Pingtou Ge RVB2601 provides a web player demo. After running it, I couldn't find the resource http://xxx.com/abcd.mp3 for evaluation.
It's actually a WEB player, so it must be able to connect to the I...
At the end of the year and the beginning of the next year, a controversial and widely screened weather phenomenon, smog, swept across the country. Since around 2011, the US Embassy's continuous bro...[Details]
An oscilloscope can observe the waveform curves of various signal amplitudes changing with time. It can also be used to test various electrical quantities, such as voltage, current, frequency, etc. D...[Details]
The most basic interrupt source requests of the 51 kernel include external interrupts, timer interrupts and serial port interrupts, which are also the most commonly used by learners and developers. O...[Details]
Introduction: MCU is a technology with strong practicality. Many beginners are often confused when learning MCU technology development and don't know where to start. For this reason, the author combi...[Details]
The International Energy Agency (IEA) estimates that electric motors consume more than 45% of the world’s electricity. Therefore, it is critical to find ways to maximize the energy efficiency of thei...[Details]
Infineon Technologies Launches 25-150V OptiMOS™ Source-bottom Power MOSFETs in PQFN Package with Double-Sided Cooling
The design of future power electronic systems will continue to ...[Details]
Circuit Function and Advantages
The circuit shown in Figure 1 is a low-cost, high-performance SOUNDBAR system that receives analog stereo audio signals as input and can output up to 8 channels of a...[Details]
1. Use proteus to draw a simple circuit diagram for subsequent simulation 2. Programming /*********************************************************************************************************...[Details]
How to set the timer? For example: Timing 50 microseconds First of all, 50000 ÷ 1.085 = 46,082.94930875576. Starting from 0 and adding 19,453 times will overflow. This calculation will have ...[Details]
Parameter calculation of flyback transformer switching power supply circuit
The calculation of the parameters of the flyback transformer switching power supply circuit is basically the...[Details]
These two instructions can be used to read or write CPSR or SPSR. When you need to save or modify the contents of CPSR or SPSR in the current mode, you must first transfer these contents to the ge...[Details]
Recently, ChargerLab published a WeChat conversation in a tweet, in which the news mentioned that the iPhone 11 will come standard with a USB-C charging head, but the iPhone body will still use the L...[Details]
Last time, I measured the anti-blocking performance of AD9361 ( https://bbs.kechuang.org/t/82167 ). I originally heard from various experts that there were many pitfalls and it was impossible...[Details]
China's Ministry of Information Industry has issued the "YD/T1591-2006 Mobile Communication Handheld Device Charger and Interface Technical Requirements and Test Methods" standard, which aims to unify...[Details]