The simplest actual circuit of 5V/5W switching power supply is shown in the figure. In the figure, TOP210 (IC1) is a three-terminal PWM switch. IC1 contains PWM controller, power MOSFET and various pr...
1. If the MCU uses the delay function to delay, that is, the empty waiting method is used to delay, but the MCU has only one core and cannot split itself to handle other things. If this method is used...
The previous article ( https://en.eeworld.com/bbs/thread-1187454-1-1.html ) only analyzed the board based on the schematic diagram. This article will directly power it on and take a look.
The CB5654 d...
After the previous preparation, the basic knowledge is almost known, and you can start to build your own project. The basic operation method will not be explained in detail, and the picture will be di...
China Energy Storage Network News:
On January 11, the Zhangbei Flexible DC Grid Experimental Demonstration Project was officially handed over to the North China Electric Power Dispatching a...[Details]
Hardware Principle 1.1. Introduction to Nor Flash NOR Flash is a commercial flash memory chip launched by Intel in 1988. It takes a long time to erase and write, but it can provide complete addre...[Details]
Introduction: The chip has a programmable calendar clock and 31 bytes of static RAM. The calendar clock can automatically compensate for leap years, has accurate timing, simple interface, easy use,...[Details]
On October 24, 2024,
Canon Group released its third quarter financial report for 2024. According to the financial report, Canon Group's turnover in the third quarter of 2024 increased by 5.3% y...[Details]
New energy sources are a hot research field at present, and supercapacitors, as a new type of energy storage device between capacitors and batteries, have the characteristics of fast charging and di...[Details]
A friend wanted to customize a water purifier controller and added some unique functions, but the commercial control board did not have such functions, so he asked me if I could make one. I think the...[Details]
1. Brief description For buttons, it is common to use MCU to continuously detect the state change of the GPIO connected to the button (high - low or low - high) to confirm whether there is a key in...[Details]
【Example】
Baidu result: This is mainly used when using C51's P0 and P2 ports for external expansion, where XBYTE , P2 port corresponds to the high address, and P0 port corresponds to the low a...[Details]
Xpeng Motors has made a solemn statement regarding Tesla's accusation that former employee and current Xpeng Motors employee Cao Guangzhi stole Autopilot source code. Xpeng Motors said in a statement...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
With the development and improvement of LED technology, large-scale LED display screens have been widely used in various public places to display multimedia information such as text, graphics, vide...[Details]
ATPCS recommends that the number of formal parameters of a function should not exceed 4. If the number of formal parameters is less than or equal to 4, the formal parameters are passed through the fo...[Details]
At present, ultra-bright LEDs have replaced incandescent lamps and are used in traffic lights, warning lights, and sign lights all over the world. Compared with incandescent lamps, LED traffic lig...[Details]
Plano, Texas, USA, August 9, 2022 -
Diodes Incorporated (Diodes) has introduced a high-efficiency synchronous boost converter
. The AP72250 provides boost conversion capability and is desig...[Details]
0 Preface
Although there are many instruments for detecting heart rate at present, there are few portable full-digital heart rate measuring devices that can achieve accurate measurement, upload dat...[Details]