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16  Forum 2005-2010 (read only) / Development / Re: Another New PCB for Arduino Serial Single Side on: August 04, 2008, 10:50:37 am
Hi Adilson,

I removed C6 and jumpered pin 20 to +5V. Will try and make the PCB tonight. Will update once it's done. I'm still waiting for the atmega168 that I ordered.



17  Forum 2005-2010 (read only) / Development / Re: Another New PCB for Arduino Serial Single Side on: August 03, 2008, 10:24:16 pm
Hi,
 
I'm new to Arduino, and I plan to build a Severino (Thanks Adilson!) I have one question, can we I go away with the 100uH L1 Inductor? From were I am (Cebu, Philippines) I can't find the part in any of the local electronics parts store here.
 
Instead have it wired just like in the original Arduino reference schematic while keeping the rest of the S3V3_R2 intact?
 
Okay that was two questions. :-)
 
Thank you!
18  Forum 2005-2010 (read only) / Development / Re: Arduino serial with MAX232 or equivalent? on: September 03, 2008, 04:42:43 am
Quote
Nice Job PurgedSoul.

I'm very busy taking care of my newborn baby, so I stopped the development of MaxSeverino.

Good luck.

Thank you Adilson! and Congratulations! smiley
19  Forum 2005-2010 (read only) / Development / Re: Arduino serial with MAX232 or equivalent? on: September 01, 2008, 07:34:05 pm
Thanks Mellis! Sorry forgot to attached the Eagle files. but here it is.

http://www.sendspace.com/file/6s8mq0

The clearance of trace between the leads of C5, C8 (Vin Trace) is very fine, I have to score it since when I did the toner transfer, it somehow merged with the pads of C5. :-( It is also true with DB9 pin 4. I will have to make some modification to this.

Yes, it is working, I have tried uploading sketches to it and it worked fine, also the autoreset worked. I also uploaded the bootloader using the ICSP pins on the board, but have to desolder LED L (on pin 13) first.

I am currently running a sketch on it making it as a thermometer using LM35 with output routed to a 3310 LCD (PCD8544). :-)
20  Forum 2005-2010 (read only) / Development / Re: Arduino serial with MAX232 or equivalent? on: August 30, 2008, 11:04:16 am
I would like to share to the community my single sided Max232 Arduino clone. This is based on the single sided board done by Adilson. Made it as a learning experience using Eagle. While waiting for Adilson's version, got to thinking why not try to create one. So after a few weeks of tinkering with Eagle finally got it made. Cheers!



21  Forum 2005-2010 (read only) / Development / Re: Arduino serial with MAX232 or equivalent? on: August 12, 2008, 08:18:20 pm
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I started doing a version with max232 three weeks ago, based on S3v3 version, but stoped. If you want one, I think I can restart it. In a preliminary view, it will be a little bigger than S3v3 (less than 1cm.).


Hi Adilson,

I am interested in a single sided Severino with Max232. It would be nice to see a different type of Severino. Looking forward to this. :-)
22  Forum 2005-2010 (read only) / Interfacing / Re: Arduino and GH-311 Ultrasond Motion Sensor Trouble on: April 20, 2009, 05:32:10 am
Just got a reply from Sure Electronics in their forum and how this works is really just High and Low: High level if an object is within it's detection range, and Low if no object.

http://www.sureelectronics.net/forum/viewthread.php?tid=78&pid=266&page=1&extra=page%3D1#pid266
23  Forum 2005-2010 (read only) / Interfacing / Re: Arduino and GH-311 Ultrasond Motion Sensor Trouble on: April 17, 2009, 10:57:37 am
I am interested in this sensor as well, but after searching for some information about this one, it appears that this cannot be used for distance measurement.

Got this info from this site:

http://www.seeedstudio.com/depot/ultrasonic-ranger-gh311rt-p-73.html

the output pin will be high when an object is within range, and low if no object is detected.

:-(

hmmm maybe we can hack this and have it output distance?  :smiley
24  Forum 2005-2010 (read only) / Interfacing / Re: Need help on 8 wire stepper motor wiring on: July 27, 2009, 12:57:12 am
Well after googling, I found a Japanese site that uses the same motor, and has suggested that the inner 4 wires should be used:

http://members.at.infoseek.co.jp/m_vega/telescope/qcamft/control/control.htm

I've wired it as such and it seems to be doing okay, however the motor doesn't like to be driven fast, might be the limits. It would be great if a datasheet is available, but alas, this motor might just be a rarity.  smiley-sad
25  Forum 2005-2010 (read only) / Interfacing / Re: Need help on 8 wire stepper motor wiring on: May 07, 2009, 05:42:28 am
Thanks for the reply, I already tried several coil connections to the driver. I will definitely look again into your suggestion of measuring again the coil resistance.

It also struck me as odd, since the resistance should have been the same all through out.
26  Forum 2005-2010 (read only) / Interfacing / Need help on 8 wire stepper motor wiring on: May 06, 2009, 06:49:09 am
Hi,

I am trying to interface with a stepper motor, but I am having trouble with this particular stepper motor, it has 8 wires, from what I've read, it can be wired as a unipolar or bipolar (series, parallel).



The motor is a Tamagawa TS3166N913. In the nameplate it says 4.3 ohm/0.9 deg/step 400s/r



Their website no longer has the datasheet for this particular motor.

I was already able to identify which wires are paired:

gray and purple - 2.2 ohms
white and red - 5.2 ohms
blue and yellow - 5.2 ohms
orange and black - 2.2 ohms



I tried wiring it as a bipolar parallel by connecting the following wires:

gray with white = A
red with purple = A'

black with blue = B
yellow with orange = B'

But when I connected it with my driver board, the motor would just jerk around.

Any suggestions?

Best wishes
-Don
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