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46  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 19, 2013, 10:59:41 pm
@ oric_dan , i just read the EDIT you made in that post before smiley
i actually found a guy in the nrf24 maniacbug library post that has an arduino mega with ethernet shield and nrf24 working together.
I think i'll follow that
47  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 19, 2013, 09:29:36 pm
So, no one has an opinion on what could be the best approach ?
  • arduino w/ Ethernet shield + nrf24 chip
  • Nrf24 chip on custom pcb being connected to pc (serial) and a php that would handle the requests...etc
  • Nf24 chip on custom pcb connected (serial) to arduino with ethernet shield
     

?
48  Using Arduino / General Electronics / Re: first pcb try on: February 19, 2013, 09:19:38 pm
@  CrossRoads  thanks for the tip, i'm gonna do that smiley
One question, when printing with laser printer, should i print the normal bottom or the mirror one ? I'm confused  smiley-confuse
49  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 08:43:12 pm
Yes, there are some interesting examples out there.


Some useful information here

file:///E:/Arduino/arduino-1.0.1/libraries/NRF24/doc/index.html

My problem isnt with the nrf24 chip.
I just need some opinion of what is the best approach for the master node to be connected to internet
50  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 03:28:30 pm
And that is done by software only ?

i found this:
Quote
One little catch is with Ethernet shields based on the Wiznet W5100 chipset, which includes the official Ethernet shield and many third-party shields. The W5100 has a design flaw that causes it to maintain control of the SPI bus even when another device has been selected, making it very tricky to combine the official Ethernet shield with other shields that use SPI. The Freetronics Ethernet Shield uses the W5100 chipset but includes a fix in hardware so it doesn't have that problem and will happily share the bus with other SPI devices.
source: http://www.freetronics.com/pages/stacking-arduino-shields#.USE9h6Xvh8E

So maybe there's a problem with ethernet shield, even if i can use another pin for CS (on the nrf24l01 chip), the ethernet shield wont let me use it :s
51  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 03:14:26 pm
Ok, may be i'll just connect my master node (custom pcb with nrf24l01 chip) to computer with ftdi cable and then it'll receive commands from serial via php page or something like that...it's not the best for sure, the best option would be connecting ethernet sield and nrf24 chip together, but i didnt understood how to do that.
52  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 03:05:12 pm
i really cant understand this :x
i've tried to export etch_copper_bottom so you can see the bottom only, but i dont think  that's what you mean
53  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 02:34:16 pm
I did ground fill instead. see image above
it's that?
54  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 02:33:03 pm
I dont know if i followed exactly what you said. (english is not my main language)
So i can use my duemilanove with ethernet shield on top and also use nrf24l01 chip with no conflict between those two ?
didnt understand exactly what you mean by manually switching different pins from pin 10 :/
55  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 02:26:33 pm
One last time before i give up smiley-grin
56  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 02:11:52 pm
Yes the board is single-sided... i really cant do that ground pour with fritzing.
i'm trying moving the wires to the other side of board and doing copper fill to see if this is what you mean.
57  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 01:47:03 pm
Only the master node would need ethernet connection, others are just like slaves with only nrf24 chip on it.
@ zoomkat i thought of that, but wouldnt that make the process of data slower ?
I think i'll just use my duemilanove, buy an ethernet shield and connect the nrf24 chip on it... if there isnt any problems with pins being used by both

after reading http://arduino.cc/en/Main/ArduinoBoardEthernet it says that pins 10, 11, 12 and 13 are used... dont know if this still happens with the ethernet shield http://store.arduino.cc/ww/index.php?main_page=product_info&cPath=11_5&products_id=199, since there's no info about it... can someone tell me ?

EDIT: i found that Arduino uses digital pins 10, 11, 12, and 13 (SPI) to communicate with the W5100 on the ethernet shield...
so, this is a problem right ?
58  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 01:29:18 pm
i really dont know how to do this with fritzing, i think i leave it just like it was before... and maybe in the future use another program like eagle
59  Using Arduino / General Electronics / Re: first pcb try on: February 17, 2013, 01:19:30 pm
Is this what you are saying ?
i've choose GND as a ground seed and then did Ground Fill
i cant understand how it works and how i'm gonna etch my pcb like this
60  Using Arduino / Project Guidance / Re: Another Room Automation project on: February 17, 2013, 01:13:53 pm
@ oric_dan , about pins 9 and 10 i know i can change them in the library file... my main question is if it'll be a problem when using nrf240 and ethernet shield and obviously how should i make the pcb so that i can just connected the ethernet shield above it.
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