The 5G era is coming. Are you looking forward to what 5G will bring like me - faster mobile networks and better mobile life?
But do you know? In the field of mobile communications, spectrum resources ...
The automatic function of an oscilloscope mainly refers to the automatic setting and automatic range of the oscilloscope. Please note that it is not the same as the automatic trigger in the trigger, s...
I bought a voice module from Taobao and found that the speaker had noise when I debugged it. I connected an oscilloscope to see that the 5V power supply had noise when the speaker spoke. It should not...
1. Example 1 Phenomenon Description
The AO point in the Siemens PLC sends out a 4-20mA current control signal, which is output to the Siemens inverter, but cannot control the inverter to start...[Details]
The Huawei Mate 50 series, which was supposed to be released last year, failed to meet the schedule due to various restrictions, which became a regret for many consumers. However, there have be...[Details]
Author: Li Manman
Source: WeChat public account
Preface: I always think it is very mysterious. What is it? Just the name alone makes me hesitate. But ROS is inextricably linked to , ...[Details]
Main features of AVR High reliability, powerful functions, high speed, low power consumption and low price have always been the important indicators to measure the performance of single-chip microc...[Details]
Hydraulic equipment driven by three-phase asynchronous motors has been widely used in production practice due to its many advantages in operation, and more and more research has been carried out on th...[Details]
Today, the 2021 World Ultra High Definition Video (4K/8K) Industry Development Conference was held in Guangzhou. Zhang Li, president of the China Center for Information Industry Development (CCID), s...[Details]
Ultrasonic flowmeter is a non-contact instrument, suitable for measuring fluids that are difficult to touch or cannot be touched and difficult to observe, as well as large pipe flow. It can be used w...[Details]
To drive more than one high-brightness white LED, designers need to choose whether to connect the LEDs in series or in parallel.
Parallel connection only requires a lower voltage across each ...[Details]
In 2019, State Grid Hebei Electric Power Co., Ltd. strictly implemented the requirements of the State Grid Infrastructure Department on the progress of project construction, strengthened the contro...[Details]
1. Development environment and fixed library version 2. Preparation 3. Create a project template 1. Create a Template folder 2. Create the following three folders under the Template folder ...[Details]
In microcontroller systems, buttons are common input devices. This article introduces several button hardware and software design techniques. Generally speaking, there are four options for button des...[Details]
Beidou 22nm chips will be popularized within a year, and will be two generations ahead of GPS According to a report by China Business News on August 31, Beidou is opening a gap for domestic chips to ...[Details]
When we first come into contact with the 51 microcontroller, a pull-up resistor must be added to the P0 port, otherwise P0 will be in a high-impedance state. You may be confused about this ques...[Details]
Task description: A company has undertaken the task of designing an LED lantern control system. This lantern control system consists of a clock circuit, a reset circuit, and 8 light-emitting diodes L...[Details]
Motor variable frequency starting and soft starting are two different starting methods. They have obvious differences in the control method, starting performance, energy consumption, etc. of the mo...[Details]
Medical Electronics
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