Learning about processors usually starts with GPIO. Below we will compare the applications and differences of GPIO of these three chips.The following three represent the GPIO registers of three chips....
Hi everyone, I have a GR47 module, and I want to make a simple peripheral circuit, which only needs a SIM card slot and some necessary circuits. It can be connected to a PC via a serial port and can s...
1 OverviewFor an introduction to board-level debugging based on Vivado , please refer to the document "Playing with Zynq- Basics: Overview of Online Board-Level Debugging Based on Vivado.pdf ". Here w...
I have a question for you. I have an acs-1240a audio satellite receiver. I want to send a command through the computer's RS-232 to change the program number. I don't know how to send the command to te...
I want to change the output information of my development board when it starts: the word ARMLinux is output in characters. Where can I change it? Can anyone help me?...
word ScanDCPS1Voltage(void)
{static word S1Voltage_val;static long S1Voltage_buf;GetADC(4);S1Voltage_buf += ADCR;S1Voltage_val =S1Voltage_buf>>3;S1Voltage_buf -= S1Voltage_val;return(S1Voltage_val);}...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]