The board is a self-made CPU minimum development board, with only CPU+RAM+FLASH. The CPU is PXA270, and the flash chip is Intel's 28F128J3A, connected to nSC0 chip select. Memory situation: Memory: 64...
For example, PWM outputs a DC level through an RC low-pass filter. How do I select the RC parameters? What is the relationship between the RC parameters and the PWM frequency? Please advise...
The serial clock SCL and serial data SDA of the PROM are connected to the master MCU and then connected to the SCL and SDA of the clock IC. What does this mean?...
A 48-year-old high school dropout and pure hardware electrician negotiated to join the company. The price was 42K*16 with actual equity (in the company's articles of association)
When you encounter si...
[table=98%][tr][td][img]http://forum.eetchina.com/images/blank.gif[/img][/td][td]10 clear classic circuits: 1. 150MHz frequency meter made by 2051 2. ADC function realized by IO port 3. USB to serial ...
Methods and precautions for replacing 16C711I. Functions, features and application areas of PIC16C712 1. Functions and features: PIC16C712 is an enhanced product based on the functions of 711 chip lau...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
Microcontrollers are something that many people want to learn about and are concerned about. In most websites, the hardware requirements are generally as follows:
1. You need a computer, prefer...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Embedded System
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