Regarding the 125Khz low-frequency card, the wavelength of its electromagnetic wave is 2400 meters. Is the coil of the card reader an antenna or a mutual inductor? If it is an antenna, then the optima...
As shown in the figure, the half-bridge inverter topology
In the case of power failure, if the ±Vbus bus voltage is greater than 36V, the drive signals of the two power tubes Q1 and Q2 still exist, ca...
[i=s]This post was last edited by qwqwqw2088 on 2020-5-30 07:39[/i]1: Schematic diagram part, AD18 has a very good function, adding a property box. See the figure below.
This is the window layout used...
1. As shown in the circuit above (1), the Vbus bus DC voltage passes through several step-down resistors to form the Vbus1 signal, which is then output by the op amp. This is a proportional reverse ou...
[color=#ff0000][color=darkslategray] Question: I need to set static IP and DNS on EK200. (linux3.14.52 kernel, burned file system is distro-fsl-image-qt5.tar.bz2) Some time ago, there was a post "EK20...
The term secure boot seems to be uncommon. Maybe it is rarely involved in MCU development? I think it is more related to bootloader. If you want to know more, welcome to follow the 19-year embedded en...
0 Introduction In order to ensure the simultaneous reception of telemetry data of multiple test objects, the test site needs to be equipped with a large number of telemetry antennas. Usually, th...[Details]
Intel Corporation announced that it has acquired Habana Labs, an Israel-based provider of programmable deep learning accelerators for data centers, for $2 billion. The acquisition will strengthen Int...[Details]
Until now, the industry has been using fisheye camera technology to provide drivers with reversing assistance, which can display the car image and reversing path from a bird's-eye view. This allo...[Details]
Product application knowledge and performance testing are as follows:
(1) Soldering with a soldering iron: The tip temperature of the soldering iron (maximum 30W) should not exceed 300°C; the ...[Details]
The news that OPPO is developing a roll-up phone has been attracting people's attention since 2020. At the end of last year, at the Future Technology Conference, OPPO gave its own design answer - the...[Details]
When the microcontroller outputs a low level, it will allow external devices to inject current into the microcontroller pins. This current is called "sinking current" and the external circuit is calle...[Details]
1.CPU Timing Oscillation period: The period of the oscillation source that provides the timing signal for the microcontroller (crystal oscillator period or external oscillation period). For example...[Details]
SL320 is an integrated driver circuit specially used for LED volume indication. One SL320 can indicate the power level of two channels at the same time. In mono application, it can drive 10 LEDs to...[Details]
In today's fast-paced world, technology is gradually moving from science fiction to reality. Recently, in an interview, the CEO boldly predicted that robotics will achieve a major breakthrough in t...[Details]
In order to reduce emissions, governments around the world, including the European Union and the U.S., have imposed mandatory fuel economy standards for internal combustion engines. These initiatives...[Details]
Asynchronous communication: The sender and receiver use independent clocks for data transmission. The time interval between each frame of data sent can be arbitrary. The sender can send data at any t...[Details]
The basic requirement of a smart city is that everything in the city is connected. Every object that needs to be identified and managed needs to be equipped with a corresponding sensor . At prese...[Details]
Overview
For an oil storage device, continuous pressure and temperature monitoring is very important. The operator must be able to comprehensively monitor and adjust the inlet and outlet pressure of ...[Details]
After continuous development, computer language is divided into three levels: high-level language, assembly language and machine language. 1. Machine language We humans are used to using the decima...[Details]
Recently, passengers waiting for buses at the Zhengqi Garden North Gate bus stop in Lingang District were attracted by the high-tech bus stop. The streamlined appearance, photovoltaic panels that can ...[Details]