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3031  Forum 2005-2010 (read only) / Interfacing / Re: DCF77 Time Module on: January 15, 2011, 07:40:53 am
I have bought a DCF receiver from the same shop as jarkman, I have pin 1 to VCC (tried both +3.3 and +5) pin 2 to output, pin 3 to GND and pin 4 to GND. Is this correct? I can't get it to work... I have two modules, and none of them works :-)
3032  Forum 2005-2010 (read only) / Interfacing / Re: Moving 18 servo motor on: January 16, 2011, 07:36:44 am
It is passed a lot of time from when I opened this topic, and now there is also a new version of the mega, with doubled capacity smiley-kitty
3033  Forum 2005-2010 (read only) / Interfacing / Re: Moving 18 servo motor on: February 09, 2010, 08:34:11 am
So, if i understand well, you are able to move the hexapod with an arduino mega and the Servo library, am I right?
In your opinion the processing power of the mega is enough for the moment...
Is it possible to see part of your code to understand how to move a leg?
Do you have a pic of your hexapod? I am so interested in!
3034  Forum 2005-2010 (read only) / Interfacing / Re: Moving 18 servo motor on: February 03, 2010, 05:43:47 pm
I would prefere a six leg just because i like more the idea of working on such a robot, I already have a ping and a 3axis accel that I would use for this project. I think that the 4 legged is a bit more difficult to move...

The idea of having different "arduino" for leg is interesting, I have never tried to link via i2c more atmega, I should test this... It's really a nice idea...

Thanks guys!
3035  Forum 2005-2010 (read only) / Interfacing / Re: Moving 18 servo motor on: February 03, 2010, 03:46:07 pm
The renbotics one is a bit little for my needs, i should drive at least 18 servo motors, 20 is better. By the way, what i need is to drive the servos as best as possible, if I save some pin is ok but is not my goal.

Thanks for help, Federico
3036  Forum 2005-2010 (read only) / Interfacing / Re: Moving 18 servo motor on: February 02, 2010, 02:35:35 pm
Anyone?
I am doing a lot of research over the internet but I can't find an aswver to my question :-( Basically I am trying to understand if it would be better to control 20 servo motor with an arduino2009 (or an home made rbbb) plus a board like this one (well, three)
http://www.robot-italy.com/product_info.php?cPath=83_31&products_id=597
or like this one via i2c
http://www.robot-italy.com/product_info.php?cPath=83_31&products_id=95
OR if I should choose an arduino mega, and why  :smiley :smiley
Thanks again,
Federico
3037  Forum 2005-2010 (read only) / Interfacing / Moving 18 servo motor on: January 30, 2010, 10:36:53 am
Hi, I am planning on making an hexapod robot based on arduino. I am thinking about the best choice to move simultaneously the 18 servos (plus tilt and pan -> 20).

Basically I need an arduino mega, or a arduino with an external motor controller.

What should I choose? Why? smiley Are there some motor controller with libraries for arduino? It's better to use just the mega? Is the mega capable of moving smootly the servos?

Thanks, I really need to figure this out!

Federico
3038  Forum 2005-2010 (read only) / Interfacing / Re: ADXL335 accelerometer troubles on: January 16, 2011, 02:07:36 pm
I am experimenting with this sensor too (the adxl335) and I never understood how to read the values correctly. I have done this, for now, with the map() function...

[media]http://www.youtube.com/watch?v=lpz7k-Sqz6s[/media]
3039  Forum 2005-2010 (read only) / Interfacing / Re: How to solder components on protoboard on: January 15, 2011, 07:47:55 am
I use (and I think that everyone does) to have the protoboard flipped on the other side, looking at your pic. Then you can solder the components using different techniques. You could use wires if components are far the one from the other, you could use little pieces of metal wire, like legs of led or putting a lot of solder you can solder hole by hole to create the connection. F
3040  Forum 2005-2010 (read only) / Interfacing / Re: MSF Radio Time Code Signal Atomic Clock Receiver on: January 15, 2011, 06:35:52 am
Does anyone have lately tried this code? I can't get it working, nor the mem code nor the one on "gomiun" website. With this code, from the playground, I get only an infinite " ; ; " on my console...
Using pin 8 (reading the class)
3041  Forum 2005-2010 (read only) / Interfacing / Re: Read wireless Wii Nunchuck with Arduino on: February 09, 2010, 10:41:31 am
@MikeT
You really should post your library for the BlazePro on the PlayGround!
3042  Forum 2005-2010 (read only) / Interfacing / Re: Arduino to 384 LED display module (MCU Interface) on: April 13, 2010, 01:21:32 pm
Does the code for the GREEN matrix support up to 4 matrix?
Are there some library compatible with the green and the red matrix?
F
3043  Forum 2005-2010 (read only) / Interfacing / Re: 315 Mhz RF Link Kit problem on: January 29, 2010, 03:34:21 am
Good tip! I will try as soon as possible, thaks
3044  Forum 2005-2010 (read only) / Interfacing / Re: 315 Mhz RF Link Kit problem on: January 28, 2010, 05:15:35 pm
I have this kit, but I never had the time to try it. I still have a question in mind.. it is possible in your opinion to create a "duplex" connection? Fede
3045  Forum 2005-2010 (read only) / Interfacing / Re: large rgb led matrix driver on: December 10, 2009, 06:05:13 pm
I hope this can be useful. I have done a replica of this project:
http://dclausen.net/projects/ledcyl/
wich use the "TLC5940NT 16 channel PWM constant-current LED driver" . They can be linked together with serial interface.
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