I saw someone forwarding this video on WeChat Moments about how to turn a wired charger into a wireless charger. I watched it several times but it didn’t seem real. I’ve disassembled wireless chargers...
I would like to ask, how can I play .wav music on SmartPhone or PPC? I use PlaySound function to play but there is no response, no sound, the syntax is correct, I don't know why... BOOL success = Play...
[i=s]This post was last edited by Internet Guke on 2021-12-30 10:48[/i]This is my first time porting CoreMark. If there is anything wrong, please correct me.
refer to:
Give your MCU a score? CoreMark ...
The MCU simulator cannot be connected. The following error occurs: communication could not be established with the specified adapter. I don't know why. How can I solve it? Thank you....
[table=98%] [tr][td][size=3][color=#000080]A: My USB-to-serial driver is loaded, why is there no ttyUSB0 in the dev directory...[/color][/size] [size=3][color=#006400]B: Does lsusb recognize it?[/colo...
[i=s] This post was last edited by huaiqiao on 2016-9-4 22:38 [/i] [size=4][b]Preface [/b][/size] [size=3] I have a colleague who often designs circuits, such as stm32f1, stm32f4, and is considered ex...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
High specific energy lithium/thionyl chloride (Li/SOCl2) batteries are widely used in multi-functional intelligent meters (such as smart meters, water meters, etc.) as real-time clocks and memory b...[Details]
In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditions,...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
Power quality refers to the quality of AC power supplied to the user end through the public power grid. In an ideal state, the public power grid should supply power to users at a constant frequency...[Details]
When we really want to use
the PID algorithm, we find that it is not so easy to implement the code in the book on our 51. Simply put, it cannot be called directly. A careful analysis will r...[Details]
1 Introduction
With the country's vigorous promotion of energy conservation and environmental protection, and the increasing cost of energy supply, more and more users are beginning to pay...[Details]