The new generation of iPhone 8 / iPhone 8 Plus / iPhone X that supports PD fast charging has appeared. Although most consumers know that iPhone already supports fast charging, and major media have als...
485 (generally known as RS485, EIA-485) is an electrical characteristic of the physical layer of the OSI model, which specifies the standard for 2-wire, half-duplex, multi-point communication. Its ele...
This car charger was given to me by someone else. It is of good quality and should be a relatively cheap one. I changed it after using it for a while because of poor contact. Now the new one I bought ...
The signal at the signal input IN is a sine wave (which contains more harmonic components). Remember to filter and follow it and then pass through a passive crystal oscillator. The 8M marked on the fi...
This book introduces the theory and design methods of switching power supplies while taking into account both practicality and theory. It is a book specially written for researchers and engineers enga...
Nexperia’s world’s smallest and thinnest 14-, 16-, 20- and 24-pin standard logic DHXQFN packages
New package packs large amounts of logic into small system footprint
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Experiment Name: High-precision calibration method for high-power pulse current measurement sensors Research direction: Research on high-precision calibration methods for measuring sensors The tradit...[Details]
Following the signing of a joint venture agreement on July 11, 2023 and the prior approval of relevant regulatory authorities, Geely Holding Group and Geely Automobile Holdings Co., Ltd. (hereinaft...[Details]
As the interface device between photovoltaic cells and the power grid, photovoltaic grid-connected inverter converts the electrical energy of photovoltaic cells into AC power and transmits it to the ...[Details]
In order to standardize the government's pricing behavior and improve the scientific nature of price decisions, in accordance with the requirements of the "Notice of the Hainan Provincial Price Bur...[Details]
Xilinx's latest financial report data shows that the company's profit in the third quarter of fiscal year 2019 was US$162 million, a year-on-year decrease of 32.31%; operating income was US$723 milli...[Details]
1 Introduction With the application of a large number of emerging data services, the power consumption level of smartphones and tablets has increased significantly, resulting in a significant reduct...[Details]
Recently, Honeywell announced a breakthrough in the field of quantum computing, which will improve the performance of quantum computers. The company will release the world's most powerful quantum com...[Details]
Since the 1990s, my country has begun to promote information construction, and all walks of life have promoted information construction and application according to their own business characteristi...[Details]
Typically, video signals require an analog oscilloscope in XY mode. The user must separate the horizontal and vertical sync signals, then process the signals and input them into the oscilloscope. How...[Details]
China Energy Storage Network:
After the establishment of a new round of power system reform policies, the reform of the power sales side has ushered in waves of fierce competition. Many power...[Details]
Reason: VREF+ is not connected to the network in the schematic diagram, resulting in the absence of this network on the PCB. Therefore, the data of the external channel is very large when no signal is...[Details]
As shown in the figure below, P1.0 - P1.3 of the AT89S51 microcontroller are connected to four LEDs L1 - L4, and P1.4 - P1.7 are connected to four switches K1 - K4. The programming reflects the state...[Details]
With the maturity of microcontroller MCU (or single-chip microcomputer) technology, the original analog transmitter has gradually been replaced by intelligent transmitters with microcontrollers as ...[Details]
On October 25, Honeycomb Energy announced that its 200,000th set of short knife battery pack was successfully rolled off the production line at its Yancheng base recently, marking a continued incre...[Details]