Qstarz BT-Q818

[btekcan]

Hello

I'm using this device with my telephone,realy this is best for us.DGPS is very good everywhere.

But I need a serial connection for this device.

Today opened my device and find some ports inside.

Please see this picture,any idea for this ports ? Maybe it is connect to serial port.



Thanks

[philpugh]

Looks like a serial connection, together with power and an internal signal.

However it could be there simply for internal test / setup (the pin labled DOWNLOAD is a bit of a clue here) and you would need to be able to select the port, bit rate etc. These probably aren't user selectable.

Also there is no guarantee what the interface spec is (+5v/0v, +3.1V/0V, etc). I would leave well alone - although you have already voided any warranty by opening it.
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Phil

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