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USB to 232 FTDI chip in DIP package — Parallax Forums

USB to 232 FTDI chip in DIP package

scottascotta Posts: 168
edited 2007-08-19 19:13 in Propeller 1
Does anyone here know of a FTDI IC packaged
in a DIP package (or a sub-assembly) ?

My eyesight is too poor to work with surface mount

Scott

Comments

  • Mike GreenMike Green Posts: 23,101
    edited 2007-08-14 15:23
    I don't think they have one. FTDI and others do sell a 24-pin DIP module and others sell a smaller module as well like: www.ftdichip.com/Products/EvaluationKits/UM245R.htm. Check Saelig in the US.
  • Chuck DavisChuck Davis Posts: 23
    edited 2007-08-17 14:21
    Pololu (www.pololu.com) sells a USB to serial converter on a small circuit board.

    It is not FTDI - it has a different type of chip and its own drivers, but it works well and is easy to add to a project. It uses .1 inch spaced headers to connect to your board, so you can either plug it in or solder it in, depending on your preference.· I've used these for about a year and they seem to work well.
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-17 14:49
    there is a very nice project out there called "software USB driver for AVR".

    It is possible to have an USB >>> serial device in a DIL Package.

    http://www.obdev.at/products/avrusb/index-de.html

    br

    Franz

    avrcdc45.gif
  • scottascotta Posts: 168
    edited 2007-08-17 16:46
    Thanks guys.

    Cost is my biggest issue. I think I'm going to use the Parallax
    2 transistor hookup and a cheap usb-232 molded cable.

    I wish that ttl level usb cables did not cost $35 !

    Thanks again

    Scott
  • deSilvadeSilva Posts: 2,967
    edited 2007-08-17 16:58
    scotta said...
    I wish that ttl level usb cables did not cost $35
    USB-Serial adapters are REGULARLY offered for less that $10 at Ebay...
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-17 17:08
    deSilva said...
    scotta said...
    I wish that ttl level usb cables did not cost $35
    USB-Serial adapters are REGULARLY offered for less that $10 at Ebay...
    But they are NOT TTL leveled.
    Maybe open the $10·adapter and "dremmel out" the MAX RS232·chip :-)))

    br
    Franz
  • deSilvadeSilva Posts: 2,967
    edited 2007-08-17 17:24
    Have a look at the 5 photographs included in this posting - you need not understand the text..
    propellerforum.sps-welt.de/viewtopic.php?t=83&postdays=0&postorder=asc&start=11
  • scottascotta Posts: 168
    edited 2007-08-17 17:32
    I would take a dremmel to an adaptor, if it was for one project [noparse]:)[/noparse]

    deSilva, I followed your link but did not find any photos. Where
    should I be looking ?

    To all: I did find one at Mouser for ~$20

    http://www.mouser.com/search/ProductDetail.aspx?R=TTL-232R-3V3virtualkey62620000virtualkey626-DLP-TTL-232R-3V3
    Manufacturer: DLP Design
    Mouser Part #: 626-DLP-TTL-232R-3V3
    Manufacturer Part #: TTL-232R-3V3
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-17 17:46
    you have to login !!!!

    Franz
  • deSilvadeSilva Posts: 2,967
    edited 2007-08-17 17:47
    scotta said...
    deSilva, I followed your link but did not find any photos. Where
    should I be looking ?
    The very posting has 5 jgp - attachments
    Franz Achatz said...
    you have to login !!!!
    Oh, dear! I was not aware of that - that is chicanery!

    Post Edited (deSilva) : 8/17/2007 5:57:03 PM GMT
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  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 09:11
    i just opend my one (very easy to open).

    Its a $10 Digitus DA70146 USB 2.0 zu Seriell-Adapter.

    I can see a FT232BM + EEPROM + SP213 and there is a NPN Transitor :-)

    This can be converted for the Prop.

    Franz
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  • deSilvadeSilva Posts: 2,967
    edited 2007-08-19 09:35
    Franz Achatz said...
    there is a very nice project out there called "software USB driver for AVR".

    Franz, if I understand this project www.obdev.at/products/avrusb/powerswitch-de.html this is just some AVR code easily portable to the Prop! So why bother with this interface rather than connect the USB directly?

    Oh, I see - there is this stupid bootstrap loader smile.gif

    But I have just one PropPlug for all my Props (4? 5?) now, for downloading. I do not need it for the WORKING of them...


    On the other hand, this is a $2 PropPlug - I am sure you can easily sell it for $ 20 smile.gif

    Post Edited (deSilva) : 8/19/2007 9:40:45 AM GMT
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 10:10
    Hi deSilva,

    i think the original question was "is there a USB chip available in DIP Package".
    Of course there is no one available but making a $2 USB "PropPlug" by just using a ATTINY2313
    is interresting.

    Franz
  • deSilvadeSilva Posts: 2,967
    edited 2007-08-19 10:32
    Franz, I am deeply disappointed! I thought you would deliver a port from the C/ASM AVR sources to Prop-Code within hours :-(
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 11:16
    deSilva said...
    Franz, I am deeply disappointed! I thought you would deliver a port from the C/ASM AVR sources to Prop-Code within hours :-(
    oh smile.gif

    deSilva, not today but what i can deliver is an one hour Digitus hack.
    Just converted a USB2RS232 Converter to a "PropPlug" and it works.
    This just saved me $40 burger.gif , money i better can spend for "Propeller-Pizza's".

    have fun
    Franz
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  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 13:22
    I just managed to find it (image attached) - an eval unit for the FTDI 232 - called 'EVAL232R' - I seem to remember a similar DIP configuration eval board also but, as of yet, I have failed to lay my hands on it ..·this one has·a serial DB9 onboard and a USB type B socket ...

    and of course there is the parallax offering ....
    www.parallax.com/detail.asp?product_id=28030

    Regards,
    John Twomey

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'

    Post Edited (QuattroRS4) : 8/19/2007 1:44:15 PM GMT
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  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 13:34
    Ah - eventually found it (the DIP version - that is! )buried in the proto/test bin ! I have included some images ....

    Regards,
    ·········· John Twomey



    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'

    Post Edited (QuattroRS4) : 8/19/2007 1:49:07 PM GMT
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  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 18:22
    QuattroRS4 said...
    Ah - eventually found it (the DIP version - that is! )buried in the proto/test bin ! I have included some images ....

    Regards,
    ·········· John Twomey

    ·
    John,
    here is my new stick,·i mean the·PropStick.
    The hacked one running at a Parallax Proto Board.

    edit:
    Sorry, it should be PropPlug. Yes, i got it right now.

    Franz

    Post Edited (Franz Achatz) : 8/19/2007 6:28:26 PM GMT
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  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 18:29
    or if like me you needed to program one in a hurry !!! Just use a 3232 and a couple of caps and resistors and a transistor !

    Rgds,
    John

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'
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  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 18:37
    QuattroRS4 said...
    or if like me you needed to program one in a hurry !!! Just use a 3232 and a couple of caps and resistors and a transistor !

    Rgds,
    John

    Yes, when you still have a RS232 Port availabe at your notebook then·it's the
    better option. Thats for sure.

    br
    Franz
  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 18:44
    I have a little beauty running on my network - a 4 serial port ethernet jobbie .... any pc on the network can use it ...

    Rgds,
    John

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'
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  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 18:47
    John,

    why do you use an RS232 device programming your Parallax Protos.
    You can use your easyPROP too because there is a 4 Pin header onboard.
    Just make a 4 wire cable from the easyPROP to the Parallax Proto Board and you can
    load the Proto Board via the easyPROP's USB.
    Only verify does not work.

    br
    Franz
  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 18:51
    Yeah - but this was when I first got the proto boards and had to prove the serial connection prior to integrating it into an industrial control board for integration into an already existing (serial) 'shop floor data collection system' - as well as field programming if required ... I have a jumper inline for reset on the industrial boards ..

    and of course before I got the EasyProp !!

    JT

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 18:53
    QuattroRS4 said...
    I have a little beauty running on my network - a 4 serial port ethernet jobbie .... any pc on the network can use it ...

    Rgds,
    John

    thats very nice. You could use it for programming the Prop EEPROM via Ethernet.
    My webcat-board can do the same but i only have one RS232 port available.
    Its RS232 via Ethernet, right????

    have fun
    Franz
  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 18:54
    Yeah you got it ... 4 ports ...

    John T

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'
  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 18:57
    QuattroRS4 said...
    Yeah you got it ... 4 ports ...

    John T

    4 ports, 4 props :-)))))

    Franz
  • QuattroRS4QuattroRS4 Posts: 916
    edited 2007-08-19 19:02
    some of the varied collection to choose from ... LOL !

    ·and a pic of loads more to do !!!






    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    'Necessity is the mother of invention'

    Post Edited (QuattroRS4) : 8/19/2007 7:09:28 PM GMT
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  • Franz AchatzFranz Achatz Posts: 140
    edited 2007-08-19 19:13
    i can see 4 boards, looking for a connecting to your 4 serial port ethernet jobbie smile.gif
    But which one can handle it??
    It will not be the easyPROP or Parallax Proto or Parallax Dev Kit but i think it will be
    John's Industrial Control Board because you have a MAX232 onboard.
    This Jocker goes to John !!!!!

    Franz
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