I plan to make a wireless oscilloscope. The specific connection is as follows: probe>ADC1175>STM32F7>AR9331 flashed OPENWRT wireless router>PC (connected to it through the laptop wireless network card...
As the integration of RF chips within mobile phones continues to increase, the need for programming is also increasing significantly. However, on the other hand, the life cycle of mobile phones is get...
The development board is equipped with a GD32F350R8T6 core, which is a contex-M4 core. It is an entry-level MCU, with 16K RAM, 64K flash, and a main frequency of up to 108Mhz. As a Calibri M4 MCU, the...
Hi everyone, there is a side key for adjusting the volume. The volume is indicated by the increase and decrease of the scale drawn directly on the screen. How can I achieve the following effect: Click...
[i=s]This post was last edited by cjcppe on 2014-9-4 19:11[/i] [img]file:///C:/users/ADMINI~1/appdata/roaming/360se6/USERDA~1/Temp/201312~2.JPG[/img]I was repairing an instrument at a repair company a...
TLC2543 communicates with ATMEGA8515 via SPI. The measurement circuit is as follows: First, the platinum resistance temperature signal is converted into an electrical signal using a bridge, then ampli...
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
introduction
As the application of single-chip microcomputers in various fields becomes more and more extensive, the requirements for their reliability are also getting higher and higher. The ...[Details]
In the process of designing electronic products, we usually control the cost of the designed products, always try to simplify the circuit, reduce the components, and simplify the installation process....[Details]
Embedded System
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