You can use serial port commands to control pn532 and mobile phone to establish a link to ensure subsequent communication and realize point-to-point information interaction. Contact QQ: 1319530068...
Many SMD MOS tubes have different sizes of SOT23-3 packages. Some are relatively large, while others are normal (similar to the SOT23 of S8050 and S8550). Are all packages of different sizes SOT23-3? ...
Homemade Mini Single-Chip Programmer [align=center][img=600,584]http://bbs.16rd.com/data/attachment/forum/201609/13/160407r717pt6dp9jv919q.gif[/img][/align]1. Supported chip models Supports the most c...
Hello everyone! I am very happy to post on EEWORLD again! Autumn is a season of harvest. Recently, I got CY8CKIT-042, "MCU Engineer's Refining Record", and STM32F030 discovery on EEWORLD. I have recei...
I would like to ask all the experts in the forum, when using the third generation of Altera FPGA to generate a synchronous output pulse using the rising edge of the input pulse signal, the rising edge...
How did I get started with microcontrollers? When was that? I remember when I was a sophomore, I heard a teacher talk about microcontrollers. It was the first time I heard about this term, but I didn'...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]