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CFA635 USB used in 232 TTL

gillou

New member
First good job ! order date on 02/22, delivery date 02/26 in France !

my ref DB635ALTMFK

can I use IO pin to drive a 635 with RS232 TTL 5V RX / TX ?

Thanks
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CF Tech

Administrator
There is special firmware to expose the Rx and Tx lines on H1 of the CFA-635. Is the module you have a -KU or a -KS?
 

CF Tech

Administrator
There is no way to do it yourself. Unfortunately, the serial version needs to be ordered originally as a serial, there is no way to convert from the USB to serial by the user.

Please write support@crystalfontz.com (refer to this thread) and they will let you know the shipment options.
 
USB LCD Displays - Graphic and Character LCDs with a Keypad
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