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Overunity Machines Forum



Feedback To Source

Started by nievesoliveras, December 21, 2008, 11:28:28 AM

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0 Members and 32 Guests are viewing this topic.

e2matrix

Hey Jesus,  Just in case you don't want to pay the almost $19 they want at Rat Shack for these there's a place I've been dealing with for years that is super cheap.  $2.99 will get you one of these and includes shipping for one (shipping is always Free at this place).  The one problem is they are slow to ship depending on where you are at as they are in China.  Expect 2 1/2 to 4 weeks for shipping to U.S. and general areas around U.S.  http://www.dealextreme.com/p/usb-to-rs232-serial-port-adapter-transparent-green-24512

As I was writing this I thought to look on eBay as sometimes this stuff ends up there from local sources and there is a place out of California that has them for $3.49 with free shipping.  That would probably be faster.  http://cgi.ebay.com/B-USB-2-0-SERIAL-RS232-DB9-9-PIN-ADAPTER-CABLE-PDA-/160523344872?pt=LH_DefaultDomain_0&hash=item255fefdbe8

I just know Rat Shack prices are usually insane so wanted to give you some options to think about. 

Groundloop

Quote from: nievesoliveras on April 25, 2011, 08:27:12 AM
Thank you @groundloop!

I will go today to the Guaynabo town Radio Shack to ask for the usb to com port dongle.

Jesus

Jesus,

Just a thought, have you checked that your computer has a 9 pin d-sub comport?
Another thought, ask a friend for an old used computer with a comport. Even a
old PC with Windows 98 SE will do as long as the computer has a series port.

Groundloop.

nievesoliveras

Thank you @e2matrix!
Thank you @groundloop!

I went to RS and the cheapest dongle was 50 dollars. I kept asking around and the lowest price for a dongle on a mall was 43 dollars.

I asked for a diy way for the dongle and it was 42 dollars.

I went to CompUsa and found one with a DB9 side and a DB25 side (That is a serial and a parallel connection) to Usb for 23 dollars and bought it.

If I had known the ebay prices I would have bought those instead.

Jesus

nievesoliveras

I connected the dongle and run the driver setup that came on a small cd that came within the package.

Then I run the hyperterminal and it asked for a phone that I dont have (I catch the internet signal form my brother upstairs with a wireless card) I entered the other information at the next screen and it said that it was connected.

I connected the card to the dongle and a 9v battery to the card. Also I installed the Mplab ide. I have not been able to communicate with the card.

Does the card will work without it being connected to the computer via the hyperterminal and the dongle?

Jesus

nievesoliveras

@groundloop

Maybe I am doing something wrong.
I would like to know what programmer to choose.

Jesus