AD21 I changed the * key for drilling holes during wiring to 4. There is no conflict with other shortcut keys, but it does not work after the modification. When I press 4 during wiring, the hole will ...
[i=s]This post was last edited by jinglixixi on 2021-9-25 10:12[/i]On the ESP32-Audio-Kit audio development board, the most basic peripherals are LED and KEY, and their schematic diagram is shown in F...
The battery is DC3.0V after LDO, and a 0805 10Uf capacitor is output. Why does it slowly rise from 0V to 3V when tested with an oscilloscope? What's the reason? Is it because the probe capacitance is ...
Some people may not understand why the probe should be compensated. Let me explain in detail, hoping that everyone can understand it thoroughly. All of this starts with understanding the compensation...[Details]
What is a clamp meter A clamp meter is an instrument that combines a current transformer and an ammeter in one. It is an important branch of a digital multimeter. It is a portable instrument that...[Details]
As we all know, embedded development is a low-level development, and the main programming languages are C and assembly. So the source files to be discussed in this article mainly refer to C files...[Details]
The variable frequency power supply is a power conversion device, which has the advantages of pure output waveform, stable output voltage, adjustable output frequency and output voltage. Its good p...[Details]
The synchronous rectification step-down circuit made of LM2567+IR2111 is very efficient. When the input is 48V, the output is 24V, and when the input is 24V, the output is 12V. Please note that the...[Details]
The circuits in this Design Idea take advantage of an inherent characteristic of the collector voltages in a single transformer push-pull dc/dc converter: they swing twice the supply voltage. When ...[Details]
Abstract: Through the analysis of the kinematic model of the soccer robot, taking into account the time-varying, nonlinear, and large interference characteristics of the system, a method combining ...[Details]
At the routine press conference held by the China Council for the Promotion of International Trade today, spokesperson Sun Xiao said: The US recently issued the "Chips and Science Act". Its implement...[Details]
#include
#define uint unsigned int //macro definition
sbit SPK=P3^5; //define speaker port
sbit key=P3^1; //The corresponding key on the development board is s18
...[Details]
1. Memory structure The memory is used to store data. It uses the level of electrical level to store data, that is, it actually stores the high and low levels of electrical level, rather than the num...[Details]
Currently,
collaborative robots
have achieved efficient human-machine collaboration by virtue of their ability to safely collaborate with humans, making flexible manufacturing no longer a d...[Details]
China Energy Storage Network News:
Green power trading refers specifically to medium- and long-term power trading with green power products as the subject matter, and is a new trading produ...[Details]
President of Global Operations and Supply Chain, Flextronics
Hooi Tan
Digital transformation may be a daunting task for enterprises, but the benefits of successful transformation far outw...[Details]
Jiwei.com News: In recent years, with the development of smart phones, the battery capacity of mainstream mobile phone brands has become larger and larger to meet the demand for longer battery life. ...[Details]
In order to meet the application of a certain micro-power instrument and improve safety performance, a design scheme for an ultra-low power lithium battery management system is proposed. The scheme...[Details]