Author Topic: the 50$ robot shopping  (Read 1430 times)

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Offline manutTopic starter

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the 50$ robot shopping
« on: November 11, 2009, 03:19:23 PM »
hello everybody,
Could somebody help me shopping..? I'm going to build the 50 $ robot (at least I'm going to try.. ;-)
I've always been interested in robots and this tutorial helped me to think : yes I can!! ...hopefully
So, I started my shopping at digikey.com and a few parts are missing and findable at other shops, but because I live in Europe (Belgium), there is a cost for shipping. So, the majority of the parts are available at digikey and including a few tools I need, I'm going to reach  65 ..that means free shipping...so I'm trying to find the same products in my area or alternatives at digikey..
here is the list of my questions:
-6v 1400mAh NiMH Battery is recommended but do you think there is an alternative at digikey? I saw a lot of batteries there, but don't know...
-for the photoresistor, do you see an alternative to the one recommended here http://search.digikey.com/scripts/DkSearch/dksus.dll?Selection

         
-last question(for the moment ;-) : to be sure I understood correctly, because as you can see, english is not my mother language ;-) , do I have to choose beetween AVR STK Serial Port Dongle Programmer   and AVR ISP2 Programmer   or do I have to buy both?
Thank you for future help and long life to society of robots
manu
 

Offline Admin

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Re: the 50$ robot shopping
« Reply #1 on: November 11, 2009, 03:36:28 PM »
Quote
6v 1400mAh NiMH Battery is recommended but do you think there is an alternative at digikey? I saw a lot of batteries there, but don't know...
Just make sure its 6V, above 500mAh, and NiMH, and it'll work. Hitec connector is best.


As for photoresistor, basically any type will work.


Quote
do I have to choose beetween AVR STK Serial Port Dongle Programmer   and AVR ISP2 Programmer   or do I have to buy both?
You choose. My recommendation is the ISP2, if you don't mind the higher cost.

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #2 on: November 11, 2009, 06:14:59 PM »
thanx, I'm going to shop for my first handmade robot!!   ;D

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #3 on: November 11, 2009, 09:26:30 PM »

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Re: the 50$ robot shopping
« Reply #4 on: November 11, 2009, 09:29:12 PM »
It'll work, but its not copper-plated so it'll probably be difficult to solder if you're not l337 :P

(you'll see little copper rings around each hole to be copper-plated, allowing easy soldering points)

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #5 on: November 12, 2009, 09:26:39 AM »
hi,
huh..sorry, but what means l337 ???
..and do you think this is better?..here  http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=B3426D-ND
thnx

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Re: the 50$ robot shopping
« Reply #6 on: November 12, 2009, 09:58:17 AM »

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #7 on: November 12, 2009, 10:30:25 AM »
thanx  :)

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #8 on: November 18, 2009, 05:08:18 PM »
hello,
I received the board and I'm wondering if it's ok..I mean, in the tutorial I can see that the board is full of small holes that apparently seem electrically isolated, and the one I received is completely covered by a layer of copper, so ..the whole board is conductive...I hope that my question is clear and that I'm using the right terms. sorry, beginner here.. :-\
thanx

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Re: the 50$ robot shopping
« Reply #9 on: November 18, 2009, 10:42:25 PM »
I mean, in the tutorial I can see that the board is full of small holes that apparently seem electrically isolated, and the one I received is completely covered by a layer of copper, so ..the whole board is conductive...I hope that my question is clear and that I'm using the right terms. sorry, beginner here.. :-\
hmmmm yea its *supposed* to be full of electrically isolated holes . . . you mean its one big copper sheet with holes in it? I looked at the digikey part again, it *looks* like it is correct . . . appears it isn't :-\

Offline SmAsH

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Re: the 50$ robot shopping
« Reply #10 on: November 19, 2009, 03:03:59 AM »
Does it look like this? http://www.rapidonline.com/netalogue/zoomed/Large/34086001.jpg with no holes in it?
If so, its a copper clad board... And is useless unless you want to etch it yourself...
Howdy

Offline manutTopic starter

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Re: the 50$ robot shopping
« Reply #11 on: November 19, 2009, 09:26:50 AM »
hi,
.. It's like the one you are talking about, but with holes.. ..so I ordered a new one with isolated holes like in the tutorial.. here http://www.conrad.fr/platine_pour_montage_experimental_p_18925_18949_216829
..I'm not going to etch it myself for the moment...maybe later..
thanx

Offline codeblue

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Re: the 50$ robot shopping
« Reply #12 on: November 19, 2009, 07:43:37 PM »
since your in Europe I would look into www.futurlec.com

 


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