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RFID NFC PN532 Shield

RFID NFC PN532 Shield
Arduino RFID/NFC/PN532 Shield IC卡 扩展板 可堆叠:
最方便使用的RFID/NFC/PN532 Shield IC卡 扩展板,插在Arduino上就能用.

We've taken our popular Eduino PN532 breakout board and turned it into a shield - the perfect tool for any 13.56MHz RFID or NFC application. The Eduino NFC shield uses the PN532 chip-set (the most popular NFC chip on the market) and is what is embedded in pretty much every phone or device that does NFC. It can pretty much do it all, such as read and write to tags and cards, communicate with phones (say for payment processing), and 'act' like a NFC tag. If you want to do any sort of embedded NFC work, this is the chip you'll want to use!

NFC (Near Field Communications) is a way for two devices very close to each other to communicate. Sort of like a very short range bluetooth that doesn't require authentication. It is an extension of RFID, so anything you can do with RFID you can do with NFC. You can do more stuff with NFC as well, such as communicate bi-directionally with cell phones

Because it can read and write tags, you can always just use this for RFID-tag projects. We carry a few different tags that work great with this chip. It can also work with any other NFC/RFID Type 1 thru 4 tag (and of course all the other NXP MiFare type tags)

The Eduino shield was designed by RF engineers using the best test equipment to create a layout and antenna with 10cm (4 inch) range, the maximum range possible using the 13.56MHz technology. You can easily attach the shield behind a plastic plate with standoffs and still read cards through a (non-metal) barrier.

This shield is designed to use I2C or SPI communication protocols. I2C is the default, as it uses fewer pins: analog 4 and 5 are used for I2C (of course you can still connect other I2C devices to the bus). Digital #2 is used for "interrupt" notification. This means you don't have to sit there and 'poll' the chip to ask if a target tag has been found, the pin will pull low when a card, phone, etc is within range. You can adjust which pin is used if you need to keep digital #2 for something else. It is also easy to change the shield over to SPI where you can use any 4 digital pins by shorting two solder jumpers on the top of the PCB. Compatible with any "classic" Arduino - NG, Diecimilla, Duemilanove, UNO - as well as Mega R3 or later. For using the I2C interface with Mega R2 or earlier, two wires must be soldered as the I2C pins are in a different location on earlier Megas.

Comes with: the Eduino NFC/RFID PN532 shield including a tuned 13.56MHz stripline antenna, 36-pin 0.1" header for attaching the shield to an Arduino.
请访问我们的开源社区论坛获取更多的支持。http://duinopeak.com/
技术支持及教程文档下载链接如下(规格参数,软件,代码,PCB下载):
http://wiki.duinofun.com/index.php?title=NFC_Shield_%E8%BF%91%E8%B7%9D%E6%97%A0%E7%BA%BF%E9%80%9A%E4%BF%A1%E6%89%A9%E5%B1%95%E6%9D%BF
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