[size=6]Heroes, brothers, I refer to Zhou Gong's TinyM0 routine, why can't the UART project communicate, but ISP can program HEX files. I uploaded the project, please help me take a look. The question...
I have an ARM-7 development board with a CD that contains the 44b0test test program and a GPRS module. How can I modify the program so that I can send data to a specified IP via a serial port call GPR...
What I am working on now is a digital display device, which uses a 12864 screen and an operating voltage between 4.5V and 5V. The circuit is very simple, controlled by a single-chip microcomputer and ...
Ladies and Gentlemen, this is my first time to use FPGA, and I am designing an image data acquisition system. The data collected by FPGA is transmitted to DSP for processing. DSP uses F28335, so the X...
I don't understand, is it the problem of the quarters version? The official ones are all 925 but the frequency division is biased. In addition, the system I compiled has this problem: 34.056675] mmcbl...
A potentiometer is needed in the production of a voltage-regulating power supply. However, the shaft of the purchased potentiometer is too large and the existing knob cannot fit on it. So I had to use...
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
Security prevention is mainly based on prevention, which means taking precautions in advance for behaviors and events that may cause harm, timely discovering and handling, and collecting evidence a...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
0 Introduction
With the rapid development of modern technology, wireless meter reading systems are becoming more and more popular and gradually replacing traditional meter reading systems....[Details]
1 Introduction
Motion controllers are core motion control components commonly used in mechatronic equipment such as CNC machine tools and robots. Modern CNC technology has put forward higher a...[Details]