Notice of the State Administration of Taxation on Issues Concerning the Printing, Use and Management of Tax Control Invoices (State Taxation Administration [2005] No. 65) 2005-04-18 State Administrati...
American DIY players analyze the power consumption of smart wireless sensors : https://training.eeworld.com.cn/course/4777DIY players will evaluate the power consumption of nRF24L01 transmitter. 24L01...
These are some LLC design materials I have collected. I hope they can help you learn. If you have better materials, please feel free to upload them....
From: https://www.hackster.io/sbcomponentsuk/the-raspberry-pi-based-smartphone-7ed856StoryEver thought about customizing your smartphone? This article will introduce a Raspberry Pi-based smartphone wi...
[i=s]This post was last edited by qwqwqw2088 on 2018-12-19 14:40[/i] [size=4][b]Question: [color=#555555][font="]We are working on a solar power collection system and need an efficient active balancin...
On the morning of September 14, Sina Digital believed last week that Apple would launch a packaged service called "Apple One" for various official software in the near future. After that, it was dis...[Details]
According to a report by Central News Agency, panel manufacturer Innolux and touch screen chip manufacturer Elan Electronics have successfully entered the supply chain of Huawei's new tablet computer...[Details]
Abstract: The working principle of the magnetic amplifier regulator is introduced, the design method of the control inductor is derived, and a design example is given.
Keywords: magnetic amplifier r...[Details]
Bluetooth technology is actually a short-distance, low-cost wireless transmission application technology. From the current application point of view, due to its small size and low power, its applicat...[Details]
1. Experimental tasks
(1. When the power is on, it displays "0"
(2. When it is pressed for the first time, it displays "D1"; when it is pressed for the second time, it displays "D1D2"; when it i...[Details]
The maximum DC voltage that a capacitor can withstand for long-term reliable operation is the withstand voltage of the capacitor, also called the DC working voltage of the capacitor. If it is in an...[Details]
SUNOTEC, a leading European developer of solar and energy storage power stations, and Huawei Technologies Bulgaria signed a memorandum of understanding on energy storage cooperation in Shenzhen to ...[Details]
Abstract: Solid-state overcurrent protection ICs, such as USB and card slot power switches, provide a simple, reliable method of pin protection, providing effective system protection when overloads...[Details]
If the measured single-phase AC voltage is outside the measurement range of the multimeter, the voltage transformer is used for measurement, as shown in Figure 5-3(b). The primary winding of the volt...[Details]
In recent years, LED has received more and more attention as a new generation of light source. From power indicator lights, car indicator lights, traffic indicator lights to outdoor display screens...[Details]
Micro electromechanical systems (MEMS) is a technology that combines microelectronics and mechanics. It has been around for decades, but its real development began in the 1990s. In recent years, the ...[Details]
In the past, a war was a contest between two countries in terms of financial, human and material resources. Today, economic factors must be added. Because now it is almost a global economic integrati...[Details]
As the eyes of electronic engineers, oscilloscopes can help electronic engineers observe and analyze waveform information, and have made outstanding contributions to our exploration of the field of ...[Details]
On October 24, Gasgoo's Tianyancha showed that Ruipa Power Technology Co., Ltd. (hereinafter referred to as "Ruipa Power") was recently established. The legal representative is Gu Huinan, with a regi...[Details]
With the development of AI technology, AI and the wearable device industry are becoming more and more integrated, including Bluetooth chips, algorithms, applications and other upstream and downstre...[Details]
Embedded System
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