[i=s]This post was last edited by Yanyuan Technology House on 2019-6-12 16:16[/i]question:The square wave signal input interface on the PCB circuit board uses a 2.54 pitch bullnose socket, and the wir...
I'm begging for a test software for the sim300 server! ! ! ! ! ! It can accept the connection request from sim300 and receive the data sent by gprs. . ....
In the latest ATMEL Studio 7.790, an important feature is the use of parallel compilation technology (Parallell build), which greatly improves the compilation speed. In the past, compiling a program, ...
[If you don't understand, just ask] The voltage balance equation in motor science is U=E+IR+jIX. Here we take a permanent magnet synchronous AC motor as an example. U is the voltage applied to the thr...
My purpose: I want to know the principles of commonly used infrared remote controls (TV, air conditioner, mobile phone, especially universal remote controls) (it would be best if there is information ...
Hello everyone! I would like to ask: How can I change the font size of the big bold "Windows CE" in the middle of the wince stand Shell desktop interface? My screen is 240*320 TFT, and now it can only...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]