Author Topic: Bluetooth UART  (Read 2544 times)

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Offline RoboGeniusTopic starter

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Bluetooth UART
« on: May 05, 2009, 12:59:57 PM »
Hallo ,I've got a little problem I build an micro controller and I want to make a wireless UART .
I decided to use my old bluetooth dongle can I connect it to my MCU ?
                                                           Thanks,RoboGenius

P.S. The microcontroller is ATMEGA8.
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Offline SmAsH

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Re: Bluetooth UART
« Reply #1 on: May 05, 2009, 02:29:04 PM »
http://www.societyofrobots.com/electronics_bluetooth_robot.shtml
you can use that old dongle but you will have to buy another dongle like bluesmirf for the mcu side of things.
two dongles will not do i don't think...
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Offline RoboGeniusTopic starter

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Re: Bluetooth UART
« Reply #2 on: May 06, 2009, 03:46:41 AM »
Thank James ,
I have 2 dongles but I saw in a video of axon that the builder connected an  dongle to the axon and another in the PC.
How can I connect my second dongle to the 50 $ robot.
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Offline SmAsH

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Re: Bluetooth UART
« Reply #3 on: May 06, 2009, 03:54:31 AM »
can you link me to the video so i can have a look?
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Offline RoboGeniusTopic starter

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Re: Bluetooth UART
« Reply #4 on: May 06, 2009, 03:55:54 AM »
PS: I am in Romania  and the bluesmirf is not available in our country.
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Offline SmAsH

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Re: Bluetooth UART
« Reply #5 on: May 06, 2009, 03:57:02 AM »
hah, i was wondering why you were replying so fats ;D take a look at the uart tutorial over here:
http://www.societyofrobots.com/microcontroller_uart_50_robot.shtml then we can talk ;)
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Offline RoboGeniusTopic starter

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Re: Bluetooth UART
« Reply #6 on: May 06, 2009, 03:57:45 AM »
Sure here you got it
IR Transceiver Demo

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Offline RoboGeniusTopic starter

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Re: Bluetooth UART
« Reply #7 on: May 06, 2009, 05:43:10 AM »
I Read it.
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Offline SmAsH

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Re: Bluetooth UART
« Reply #8 on: May 06, 2009, 05:58:14 AM »
now that is a more complex set up... he has the infra-red transmitting to the other axon the it transmits to the pc via a bluetooth... the way he has it wired i would say the one on the axon end wouldn't be a standard dongle on its own... i would think that it is a bluetooth module designed to connect directly to the uart...
so in your case i would say your best shot would be to look into uart-usb chips and see if interfacing the bluetooth dongle---usb-uart chip--uart port on mcu...
look into some of these things.
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