Regarding the relationship between capacitance and frequency, coupling capacitors, filter capacitors, bypass capacitors, etc. are often used in amplifier circuits. I want to know the relationship betw...
1. Introduction
The Bluetooth connection has been introduced before, so we need to do something interesting. The board does not have its own audio interface, but it has Bluetooth, so I thought of usin...
I recently made a switch with RS485 interface, using TI's SN75LBC184 chip. The schematic diagram is as followsMCU uses serial port to transfer to 485 through hardware circuit. The 485 circuit on the u...
introductionAt present, the research on smart home mainly takes hardware devices equipped with STM32 chips[1] as the central controller. At the same time, most smart home cloud platforms are built on ...
SummaryNoisecan sometimes have unpredictable effects on the DUT. Therefore, if the DUT is sensitive to noise in the DC power supply input, it is necessary to reduce the input noise as much as possible...
Today I will share with you some hidden practical tips. These tips are very useful, and you may not know all of them. Let's take Honor as an example. Such mobile phones, whether they are iOS or Andro...[Details]
Introduction
As autonomous driving and electrification become more prevalent, connected vehicle applications continue to increase, and vehicle safety requirements become more stringent. At the...[Details]
In 2022, the intelligentization of automobiles will accelerate. The in-vehicle cameras, known as the "eyes of intelligent driving", need to increase both "quantity" and "quality". Image...[Details]
According to the Nikkei report, Panasonic plans to start trial production of the new 4680 battery for Tesla electric vehicles as early as 2021. Tesla wants to make its own batteries, Panasonic's se...[Details]
1. Instrument Model Keysight N9038A Spectrum Analyzer 2. Fault phenomenon The instrument host computer and the receiver cannot be connected via the GPIB line 3. Inspection and maintenance Generally...[Details]
Mitsubishi FX series PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. They have powerful functions and flexible programming methods, which ...[Details]
Yesterday's news on the Science and Technology Innovation Board became the main venue for intelligent manufacturing. Evert passed the review, Green Harmonic submitted application materials, and Zheji...[Details]
After learning about the microcontroller buzzer today, I found that the frequency of the buzzer can be controlled to achieve the function of singing, so I found relevant tutorials on the Internet and...[Details]
The realization of drawing real-time curves by single-chip microcomputer
If we want to draw real-time curves, that is, the values of different curves will change with time.
For example, we dr...[Details]
Abstract: This paper introduces a design method of a simple home intelligent monitoring system. This method mainly uses embedded Web server technology and integrates a simple intelligent control mecha...[Details]
In recent years, multimedia technology has been widely used and accounts for an increasing proportion of consumer and communication products. An important basis for the widespread application of mult...[Details]
Probe selection for anemometers The velocity measurement range of 0 to 100 m/s can be divided into three sections: low speed: 0 to 5 m/s; medium speed: 5 to 40 m/s; high speed: 40 to 100 m/s. The the...[Details]
Introduction
Seismic detectors are important sensors in data collection for minerals such as oil, coal, and metals, as well as engineering seismic exploration. Their performance will directly...[Details]
Tianfeng Securities analyst Ming-Chi Kuo's latest research report pointed out that Apple will launch a new design MacBook Air around mid-2022. One of the main selling points of this new model is the ...[Details]
In order to solve the problem encountered in high absorbance measurement, Shimadzu Corporation of Japan has designed a new UV-visible spectrophotometer, the UV-2700. The UV-2700 is equipped with a l...[Details]