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Author Topic: The $50 robot - Serial cable  (Read 4184 times)

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Offline otakisTopic starter

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The $50 robot - Serial cable
« on: February 03, 2008, 05:30:23 PM »
hello,
i am from Greece and this is my first robotic project (great tutorial).
sorry for my bad english.

today i was constructing all electronics, but i don't understand the connections of the flat serial ICSP cable (in the female serial connector).

please help me!
thanks

« Last Edit: February 05, 2008, 04:30:12 PM by otakis »
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Offline otakisTopic starter

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The $50 robot - Serial cable
« Reply #1 on: February 05, 2008, 04:29:16 PM »
I ask informations for this cable!
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Offline Trumpkin

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Re: The $50 robot - Serial cable
« Reply #2 on: February 05, 2008, 05:24:35 PM »
what information do you want? (please explain better)
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Offline otakisTopic starter

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Re: The $50 robot - Serial cable
« Reply #3 on: February 05, 2008, 05:52:39 PM »
Quote from: Trumpkin on February 05, 2008, 05:24:35 PM
what information do you want? (please explain better)

the connections in the female serial connector (in the circle).
which cable correspond to which pin (10 cables to 9 pins)
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Offline hazzer123

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Re: The $50 robot - Serial cable
« Reply #4 on: February 05, 2008, 05:58:05 PM »
Do you have a multimeter?

You can use the diode test to see which pins in the DB9 connecter go to which pins on the pin header connecter.
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Offline otakisTopic starter

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Re: The $50 robot - Serial cable
« Reply #5 on: February 05, 2008, 07:16:05 PM »
Quote from: hazzer123 on February 05, 2008, 05:58:05 PM
Do you have a multimeter?

You can use the diode test to see which pins in the DB9 connecter go to which pins on the pin header connecter.

no, no...
i haven't serial cable...
i must construct this cable
« Last Edit: February 05, 2008, 07:17:33 PM by otakis »
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Offline ed1380

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Re: The $50 robot - Serial cable
« Reply #6 on: February 05, 2008, 08:24:47 PM »
Quote from: otakis on February 05, 2008, 04:29:16 PM
I ask informations for this cable!

the "cable" in that picture is the programmer. there are diferent ones. the one in the pic is ~$14 but you can get a better one for $30
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Offline Trumpkin

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Re: The $50 robot - Serial cable
« Reply #7 on: February 05, 2008, 08:33:24 PM »
i think he wants to make the programmer.
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Offline ed1380

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Re: The $50 robot - Serial cable
« Reply #8 on: February 05, 2008, 08:53:32 PM »
good luck with that. didnt work for me
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Offline hazzer123

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Re: The $50 robot - Serial cable
« Reply #9 on: February 06, 2008, 01:04:55 AM »
The cable is not a simple rewiring of a connector. It has some electronics inside the big grey part of the DB9 port. It is still possible to make an equivalent of this cable, but it wont be as simple as i think you thought.  ;)
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Offline Trumpkin

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Re: The $50 robot - Serial cable
« Reply #10 on: February 06, 2008, 10:09:07 AM »
i actually took mine apart once and it didn't seem like it would be that hard to make.
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Offline gamefreak

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Re: The $50 robot - Serial cable
« Reply #11 on: February 06, 2008, 10:13:32 AM »
just for the record there is actually 10 parts of the programming cable, the 9 pin holes, and the outer rim make up the 10 pins.
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Offline otakisTopic starter

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http://www.olimex.com/dev/images/avr-pg1b-sch.gif
« Reply #12 on: February 07, 2008, 02:11:53 AM »
thanks all for the responce

i found this http://www.olimex.com/dev/images/avr-pg1b-sch.gif


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Offline sacre

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Re: The $50 robot - Serial cable
« Reply #13 on: June 01, 2010, 05:12:55 PM »
Thanks otakis, I was also looking for this :)  will try first making the programmer, if it fails, then I will have to buy a programmer, which would be probably the AVRISP, but the Arduino is also under consideration, but with the fundamental question: can the Arduino be used to program ATmega** MCU's on the robot instead of on the Arduino board, but like the AVRISP / LPT programmers do?
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