I am now drawing a nRF905 module circuit. Anyone who has personally made nRF905 PCB can give me some help?
Now I have some questions: Does this support 433, 868 and 915 frequency bands? It seems that ...
The input end is connected to a function signal generator. How do I write square waves, sine waves, triangle waves, etc. based on LM3S9B96 and display them on the screen?...
I have many Siemens PLCs that use S7-200, but I don't have a programming cable. Now some machines need programming. I have a RS232-RS485 converter for Siwei inverters. I don't know if it can be used o...
In my design , the main internal working clock is provided after the reset is cancelled. My original design expected that when the reset is cancelled, all flip-flops would be asynchronously reset to a...
I want to use WinCE as a web server. I need to display data dynamically on an ASP web page. The data is stored in a SQLCE3.0 database. How can I connect to the database? If I need to develop ActiveX a...
[i=s]This post was last edited by dontium on 2015-1-23 13:26[/i] [size=4] After reading the AD620 manual, I found that three op07s can achieve the same function as AD620. Does TI have a chip similar t...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[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]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
RF/Wirelessly
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