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...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[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]
Embedded System
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