Comments for This and That http://www.mrroot.net What else would it be? Mon, 27 Dec 2010 05:49:16 +0000 hourly 1 http://wordpress.org/?v=3.0.4 Comment on Owls by orland rodreguess http://www.mrroot.net/2009/12/owls/comment-page-1/#comment-442 orland rodreguess Mon, 27 Dec 2010 05:49:16 +0000 http://www.mrroot.net/?p=320#comment-442 it not a great horned owl but i like it its a burrowing owl by the way great horned owl are larger and have ear points [ tufs ] i know my owls it not a great horned owl but i like it its a burrowing owl by the way great horned owl are larger and have ear points [ tufs ] i know my owls

]]> Comment on Software by This and That » Blog Archive » Wireless is GO! - What else would it be? http://www.mrroot.net/software/comment-page-1/#comment-355 This and That » Blog Archive » Wireless is GO! - What else would it be? Fri, 03 Sep 2010 15:56:31 +0000 http://www.mrroot.net/?page_id=262#comment-355 [...] I got my wireless link online several weeks ago and am just now posting.  Lame, I know, but after it was up I immediately set about working it towards something useful.  I’ll save that for another post; right now I want to detail what was involved in getting the RF link up. First off, the hardware: two arduinos and two Nordic radios. I used the Arduino USB boards, one RP-SMA board and one chip antenna board.  Why two different RF configurations?  To test range, sensitivity and see what they look like.  Anyhow, the Nordic chips on these boards ( nRF24L01+ ) interface via the Serial Peripheral Interface bus standard, or SPI for short.  SPI is a fairly simple protocol, but the timings can get tricky.  Fortunately, the Arduino has an SPI interface built in, so all we need to do is download and install the SPI library from the Arduino Playground.  Better still, someone sat down and wrote a small interface library for the Nordic chips which encompasses a subset ( the important ones ) of the command set!  Find details and download Mirf.zip here. Update: I updated and fixed some things with the Mirf library and have released it on the site. Check out the “Software” tab at the top, or go here. [...] [...] I got my wireless link online several weeks ago and am just now posting.  Lame, I know, but after it was up I immediately set about working it towards something useful.  I’ll save that for another post; right now I want to detail what was involved in getting the RF link up. First off, the hardware: two arduinos and two Nordic radios. I used the Arduino USB boards, one RP-SMA board and one chip antenna board.  Why two different RF configurations?  To test range, sensitivity and see what they look like.  Anyhow, the Nordic chips on these boards ( nRF24L01+ ) interface via the Serial Peripheral Interface bus standard, or SPI for short.  SPI is a fairly simple protocol, but the timings can get tricky.  Fortunately, the Arduino has an SPI interface built in, so all we need to do is download and install the SPI library from the Arduino Playground.  Better still, someone sat down and wrote a small interface library for the Nordic chips which encompasses a subset ( the important ones ) of the command set!  Find details and download Mirf.zip here. Update: I updated and fixed some things with the Mirf library and have released it on the site. Check out the “Software” tab at the top, or go here. [...]

]]> Comment on Wireless is GO! by nisburgh http://www.mrroot.net/2009/10/wireless-is-go/comment-page-1/#comment-354 nisburgh Fri, 03 Sep 2010 15:53:35 +0000 http://www.mrroot.net/?p=208#comment-354 Thanks for dropping a comment. I like knowing that at least a few people are seeing this site! ;) That is very strange behavior.. I have not seen that particular issue before. Are you sure you have the radio hooked up correctly, each pin connected exactly as it says in the example code? Let me know what you find.. Cheers, Nathan Thanks for dropping a comment. I like knowing that at least a few people are seeing this site! ;)

That is very strange behavior.. I have not seen that particular issue before. Are you sure you have the radio hooked up correctly, each pin connected exactly as it says in the example code? Let me know what you find..

Cheers,
Nathan

]]> Comment on Wireless is GO! by ChrisD http://www.mrroot.net/2009/10/wireless-is-go/comment-page-1/#comment-353 ChrisD Sun, 22 Aug 2010 03:01:11 +0000 http://www.mrroot.net/?p=208#comment-353 Hello, I just downloaded the MIRF version you have on this site and loaded the ping_server unchanged into my arduino. When i run it ( There is no client connected ) and open the serial monitor, i see endless stream of "got packet" and sent reply messages. In other words, Mirf.dataReady() is always true even though i have no transmitter active! Any ideas? BTW, the same thing happens with the playground version. Hello,
I just downloaded the MIRF version you have on this site and loaded the ping_server unchanged into my arduino.

When i run it ( There is no client connected ) and open the serial monitor, i see endless stream of “got packet” and sent reply messages. In other words, Mirf.dataReady() is always true even though i have no transmitter active!

Any ideas? BTW, the same thing happens with the playground version.

]]> Comment on Owls by nisburgh http://www.mrroot.net/2009/12/owls/comment-page-1/#comment-346 nisburgh Thu, 29 Jul 2010 15:56:43 +0000 http://www.mrroot.net/?p=320#comment-346 Aye, it's a great pic! I love owls, so when I saw it, I had to post it. :) Cheers, Nathan Aye, it’s a great pic! I love owls, so when I saw it, I had to post it. :)

Cheers,
Nathan

]]> Comment on Owls by Adriana http://www.mrroot.net/2009/12/owls/comment-page-1/#comment-345 Adriana Thu, 29 Jul 2010 01:06:51 +0000 http://www.mrroot.net/?p=320#comment-345 Hello! I saw this picture on deviantart.com. http://www.deviantart.com/#/d2uyb6g Its a good picture, nicely done! Hello! I saw this picture on deviantart.com. http://www.deviantart.com/#/d2uyb6g

Its a good picture, nicely done!

]]> Comment on More software! This time some fixes to the Mirf library by This and That » Blog Archive » Small Update to Mirf Library - What else would it be? http://www.mrroot.net/2009/11/more-software-this-time-some-fixes-to-the-mirf-library/comment-page-1/#comment-343 This and That » Blog Archive » Small Update to Mirf Library - What else would it be? Tue, 13 Jul 2010 14:04:14 +0000 http://www.mrroot.net/?p=299#comment-343 [...] of my readers asked ( in the forums too ) for some help on reading register values from the Nordic chip, so I put [...] [...] of my readers asked ( in the forums too ) for some help on reading register values from the Nordic chip, so I put [...]

]]> Comment on More software! This time some fixes to the Mirf library by nisburgh http://www.mrroot.net/2009/11/more-software-this-time-some-fixes-to-the-mirf-library/comment-page-1/#comment-342 nisburgh Sun, 27 Jun 2010 15:55:53 +0000 http://www.mrroot.net/?p=299#comment-342 JR, Really glad to hear it's working well for you! I replied to your comment on the forums. I hope that helps! Check it out here: <a href="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1277323718/8#8" rel="nofollow">Reply</a> Let me know if you have any more questions! Cheers, Nathan JR,

Really glad to hear it’s working well for you! I replied to your comment on the forums. I hope that helps! Check it out here:

Reply

Let me know if you have any more questions!

Cheers,
Nathan

]]> Comment on More software! This time some fixes to the Mirf library by JR http://www.mrroot.net/2009/11/more-software-this-time-some-fixes-to-the-mirf-library/comment-page-1/#comment-341 JR Sat, 26 Jun 2010 13:56:45 +0000 http://www.mrroot.net/?p=299#comment-341 Hi Nathan, The wireless connection is working like a charm, thanks to your modified library. I would like to read some registers but havent managed yet. Do you know how to use the readRegister void? Please take a look at: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1277323718 Thanks in advance!! Hi Nathan,

The wireless connection is working like a charm, thanks to your modified library. I would like to read some registers but havent managed yet.

Do you know how to use the readRegister void?

Please take a look at:

http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1277323718

Thanks in advance!!

]]> Comment on More software! This time some fixes to the Mirf library by nisburgh http://www.mrroot.net/2009/11/more-software-this-time-some-fixes-to-the-mirf-library/comment-page-1/#comment-340 nisburgh Wed, 02 Jun 2010 02:28:47 +0000 http://www.mrroot.net/?p=299#comment-340 Sorry it took so long to reply - I've been working around the clock and barely have time to check in with my hobbies. :) I'm glad you found a workaround! It's been a while since I looked at the code, so I'm not sure what's causing this issue, but next time I'm working on it, if I see an obvious problem, I will definitely upload a new version. Good luck with your robot project! Cheers! Sorry it took so long to reply – I’ve been working around the clock and barely have time to check in with my hobbies. :) I’m glad you found a workaround! It’s been a while since I looked at the code, so I’m not sure what’s causing this issue, but next time I’m working on it, if I see an obvious problem, I will definitely upload a new version. Good luck with your robot project!

Cheers!

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