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Found 6 results

  1. Hello, I'm trying to read the RF430-TMPSNS-EVM using Energia. I have the provided C code working with my MSP430FR4133 Reader. However, I want to send the temperature data over bluetooth using an HC05. I have bluetooth working in Energia code using serial. Now, how do I read the temperature? Can someone please help or point me in the right direction? Thanks, Kobe
  2. Hi everybody, >>> UPDATE - Made "proper" Energia Library out of it. Now with proper named methods/class members<<< >>> UPDATE 2 - Added "keywords.txt" file for syntax highlighting, added comments to "Mfrc522.cpp" file explaining methods (thanks to Grant) - Added example to read cards contents of block 1 <<< >>> UPDATE 3 - You need to apply the USCI SPI fix proposed by Spirilis (post #22) in the following thread: http://forum.43oh.com/topic/3237-energia-library-nordic-nrf24l01-library/page-2 , otherwise the card reader won't work! <<<< I wanted to share my results with the MF RC522 RFID reader. I found an article from Grant Gibson (http://www.grantgibson.co.uk/blog/2012/04/how-to-get-started-with-the-mifare-mf522-an-and-arduino/#comments) where he used a cheap reader from eBay to read Mifare cards. (http://www.ebay.com/itm/Mifare-RC522-RFID-13-56Mhz-Module-SPI-Interface-with-a-IC-Card-/370690680474?pt=LH_DefaultDomain_0&hash=item564ee2e69a) The command set and technical aspects of the MFRC522 chip can be found in the datasheet: http://www.nxp.com/documents/data_sheet/MFRC522.pdf I have ported the example to Energia. Very simple by removing all Chinese comments and replacing uchar with unsigned chars. After these changes it works like a charm. Just connect the following lines: MOSI LP -> Pin 3 of the module MISO LP -> Pin 4 of the module PIn 1.3 LP -> Pin 1 of the module (SS) Pin 2.2 LP -> Pin 7 of the module (RST) Pin 1.5 LP -> Pin 2 of the module (SCK) GND LP -> Pin 6 of the module VCC LP -> Pin 8 of the module Pin 5 is not connected. Included is the sketch (Mfrc522.zip) I used. Now onto opening doors and paying electronically! Kind regards, Eelco
  3. Fred

    PC unlock using NFC implant

    I recent completed the prototype of my LoginNFC project. It's a combination of MSP430 acting as a USB keyboard (and CDC serial for configuration) and a TRF7970A NFC reader. The prototype was done with a F5529 LaunchPad and TRF7970A Booster - along with a ferrite antenna to improve the read range. It's working well and I did a small write-up here: https://0xfred.wordpress.com/2015/01/14/nfc-login-version-1-0/ However, I don't really feel it's complete until I've got it off the dev board and made a decent PCB. This is my first double-sided PCB, first time with USB, first time with LQFP and QFN. Before I print out the transparencies and start etching (yes - I'm planning to hom eetch this) I thought I'd throw it out there for criticism - constructive or otherwise. Lots of inspiration from @@RobG and his F5510 board along with TI's reference designs.Thanks for that. I'm sure I've have messed up somewhere though! Here's what I've got. The vias are large (and the drill small) because they will be done with 0.6mm copper rivets. I thought I'd give myself a bit of leeway for centering the hole when I drill them. I've tried to minimise them and they'll be done by hand but there still seems to be more than I'd like. The part that's off the board is an inductor that seems to work well as an antenna. I need to get my implant as close as possible beside it. Eagle files attached if anyone wants to take a closer look. LoginNFC.sch LoginNFC.brd
  4. The TRF7970A NFC booster back (made by DLP Design) is now available direct from TI. It's also available as a bundle with a G2 or F5529 Launchpad but costs the same as buying these seperately. http://www.ti.com/tool/DLP-7970abp Perfect timing for me in the UK as I was going to be stung with
  5. Hi All, I'm looking at this booster pack which is now available from TI estore. http://www.ti.com/tool/dlp-7970abp Appreciate any advice from the forum. Not have a specific project goal, but since I don't own anything NFC and also apparently this boosterpack can read Felica card (a major transportation card standard where I live), this looks pretty appealing. My wife's phone is NFC capable so some experiments with it is also cool (short experiments only, of course ) Specific questions: 1. From the documentation, the NFC Link software seems to be using serial to communicate. Are the commands / response available publicly so that the firmware can be utilized without the NFC link software? 2. What kind of card is included? Is it kind of "soft" tag, or a hard card? Thanks in advance.
  6. jpnorair

    [Reasonably] New MSP430 Parts

    I was poking around on ti.com today, and I was pleasantly surprised as I noted two product families that are now public. The datasheet and user-guide dates are not super-new, but there has been little fanfare and somehow I missed it. Maybe the reason is because I've spent the last 6 months working mainly on Cortex-M. But anyway... 1. RF430F5978 I have been working with this for a long time, in private (i.e. there are libraries and board support in OpenTag). It's really cool, because it combines a CC430F5137 with a 134kHz passive RF IC. One cool app you can do with it is wireless charging, but really there are all kinds of cool apps that combine passive RF for localization with long-range active RF for data backhaul. 2. RF430FR15xH This is an NFC chip with a small FRAM MSP430 built right in. I have not used it, but I love NFC so it can't be bad.
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