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| User list | Rules | You are not logged in.
Pages: 1
Thanks to Tommy the replacement Merlin arrived and works!
Now the first problem:
I have to set the bluetooth-module to 9600 baud and don't know how.
PC with BT-Dongle <-----> BT-Module with TTL interface connected to Merlin (BT-Module default: 57600baud)
or
N770 <------> BT-Module with TTL interface connected to Merlin (BT-Module default: 57600baud)
ATL1 will set the BT-Module to 9600
but I am to stupid to do that
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I don't know what is your BT module, but I think you just have to connect to it on the serial side to you computer, then use Hyperterminal to send it the 'ATL1' string...
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Paul,
You don't need to do anything at the Nokia 770 end of the connection.
Which RS232-BT adapter do you have on the Merlin end of the connection? Is it a Tronisoft BTLink?
What BT dongle do you have on your PC? Is it a Windows PC? If so what version of Windows are you running?
Last edited by mediavets (2008-12-03 21:21:15)
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mediavets wrote:
Paul,
You don't need to do anything at the Nokia 770 end of the connection.
Which RS232-BT adapter do you have on the Merlin end of the connection? Is it a Tronisoft BTLink?
What BT dongle do you have on your PC? Is it a Windows PC? If so what version of Windows are you running?
No RS232-BT adapter as the BT-Module BTM-222 has TTL already.
Pentium D with Windows XP and a USB Silicon Wave Bluetooth Wireless Adapter
I think that I need a RS232-TTL-Converter to connect the BT-Module first to the PC and set it to the correct baudrate or is there a way to do that via the BT-connection?
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No, I think you can also connect it through the BT link from your BT adapter software (search for SPP or so)... In fact, it will create a new pseudo-COM port, port you will use from Hyperterminal.
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Paul wrote:
mediavets wrote:
Paul,
You don't need to do anything at the Nokia 770 end of the connection.
Which RS232-BT adapter do you have on the Merlin end of the connection? Is it a Tronisoft BTLink?
What BT dongle do you have on your PC? Is it a Windows PC? If so what version of Windows are you running?No RS232-BT adapter as the BT-Module BTM-222 has TTL already.
What documentation do you have for this device? Does it say nothing about setting the baud rate?
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Paul wrote:
mediavets wrote:
Paul,
You don't need to do anything at the Nokia 770 end of the connection.
Which RS232-BT adapter do you have on the Merlin end of the connection? Is it a Tronisoft BTLink?
What BT dongle do you have on your PC? Is it a Windows PC? If so what version of Windows are you running?Pentium D with Windows XP and a USB Silicon Wave Bluetooth Wireless Adapter
Did that come with any software or are you using the XP built-in driver?
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I see the BTM-222 on COM22 as SPP
but no reaction when I try to send "AT"-commands via a terminalprogram
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Paul,
I'm afraid my limited understanding is exhausted I'm sorry.
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Paul,
For my information ...
How do you supply power to the BTM-222 ?
Is that not a 3,3 V operation ?
Claude Offline
I use a module from Peter Plischka, he made a BTM-222 based module, powered with 5V
http://plischka.at/Funk_Bluetooth.html
I step-down Merlins 12V with a regulator to 5V
so I hope once set to 9600baud that there is no need for a TTL-RS232-converter and that I can place the BT-Module inside the Merlin
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Hi Guys,
I'm a bit confused about this 9600baud stuff.
I am going the "Claude-way" and order from Trinisoft, after green light.
My N770 could connect BT with my nephews Macbook and cellphone without all that baud stuff.
Can I expect an extra problem, to configurate the module,
or is this purely a Notebook to Merlin-BT-module problem ??
Last edited by bigwade (2008-12-03 23:59:05)
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you can keep cool 
thats my special problem
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Paul wrote:
I use a module from Peter Plischka, he made a BTM-222 based module, powered with 5V
http://plischka.at/Funk_Bluetooth.html
I step-down Merlins 12V with a regulator to 5V
so I hope once set to 9600baud that there is no need for a TTL-RS232-converter and that I can place the BT-Module inside the Merlin
I think this may be what you need to connect the module to a PC to program the baud rate?
Quoting from the page you provided the link for:
"Zum einfachen Anschluß an den PC benutze ich ein Handy USB-Datenkabel (USB-Datenkabel für SGH E700 E330 E630 X640 E800). Es stellt die 5V Versorgungsspannung zur Verfügung und liefert den Sende- und Empfangspegel mit TTL Level (5V)."
Or maybe I misunderstood the computer translation of this page.
Anyway I guess Peter Plischka can tell you what to do to set the baud rate.
Last edited by mediavets (2008-12-04 00:03:30)
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Paul wrote:
I see the BTM-222 on COM22 as SPP
but no reaction when I try to send "AT"-commands via a terminalprogram
Did you first put hyperterminal in 19200 baud, as it is its default baudrate?
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my late evening wiring
first success:
Papywizard Win talks to the BT-Module hooked to a RS232-TTL-Converter
(the Arduino is just abused to power the BT-Module)
Last edited by Paul (2008-12-10 23:09:58)
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Paul wrote:
my late evening wiring
first success:
Papywizard Win talks to the BT-Module hooked to a RS232-TTL-Converter
(the Arduino is just abused to power the BT-Module)
You are going to need a big box to put that lot in 
I guess you just didn't like the Tronisoft module+BTlink adapter solution? Oh, I forgot you wish to mount the interface inside the head.
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todays success:
Papywizard is running via bluetooth on PC with windows and on N770
as my BT-module connects direct to TTL I need only a LS7805 voltage regulator
Papywizard is running serial on PC with windows
with RS232-TTL converter
next step:
optocoupler to release the cam as my Oly has a different wiring than Canon or Nikon
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