First of all, I wish you all a happy Chinese New Year. This year can actually be described as "turbulent". Electronic technology and chips have become the top search terms in 2019. Every fluctuation i...
Basic knowledge of Keil C51 development system 1. Section 1 System Overview Keil C51 is a 51 series compatible microcontroller C language software development system produced by Keil Software, USA. Co...
How to use NE555 to build a square wave signal with a duty cycle of 50%, a signal amplitude of -5V~+5V, and an adjustable frequency (1khz~50khz). I have only learned the basics of circuit analysis and...
Rule 1: Understand what is DC/DC power supply and DC/DC conversion circuit classification. DC/DC power supply circuit is also called DC/DC conversion circuit. Its main function is to convert input and...
As shown in the picture, the actual boost voltage of the ME2139 DC-DC boost IC I used is 4.8V, and the current it can withstand is 2.5A. There is a series heating wire (2.5R) in the COIL, and I connec...
In this section, we will improve the button function implemented last time and provide a button response function. Currently, we only implement a switching function of turning the breathing light on a...
While “green” combined with product names has become a recognized symbol for low power, the exact meaning of low power is not often stated.
The requirements for low power MCUs vary depending on the...[Details]
In order to meet the requirements of the project in terms of control performance and communication methods, a dual-core voice coil motor drive controller hardware structure based on floating-point DS...[Details]
To become an embedded engineer, simple microcontroller basic learning and application are indispensable. Learning microcontrollers means learning the hardware structure of microcontrollers, the applic...[Details]
Beijing Junzheng released its performance forecast on the evening of January 24, predicting net profit attributable to shareholders of the parent company to be 808 million yuan to 984 million yuan in...[Details]
The temperature is generally measured using a thermistor in a switching power module as a sensor. The measurement methods include R-V conversion voltage measurement method and R-F conversion freq...[Details]
Usually we choose a Zener diode as the reference voltage source. This is the simplest and most traditional method. Of course, you can choose a Zener diode of the corresponding model according to the r...[Details]
1UPS solution proposed
The foreign suburban electrified railway project has a total length of 43km and 11 stations. According to the contract requirements, the signal equipment of each ...[Details]
Translated from eecatalog Abstract: This article introduces the obvious advantages and convenience of heterogeneous computing for language programming. When AI or high computing power is required, ...[Details]
Electric vehicles are powered by electricity, which is a very clean energy source. With the continuous destruction of the ecological environment, electric-driven cars have become a new technology and...[Details]
The following points are mainly encountered when debugging the FSMC bus multiplexing mode: 1. Register configuration, first of all, pay attention to enable address data multiplexing, and secondly, ...[Details]
On June 20, Xianyang City, Shaanxi Province held a concentrated start-up event for key projects in June 2021, with 69 projects started with a total investment of 7.806 billion yuan, including the Xia...[Details]
1. Power supply
The DC resistance tester provides two types of power supplies for testing: AC220V/DC12V. In the case of strong electromagnetic field interference, it is recommended to use DC powe...[Details]
According to the Central News Agency, TSMC's American depositary receipts rose and then retreated, but its total market value still reached US$312.7 billion, surpassing Samsung's US$292.6 billion, ra...[Details]
On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]