Hi all i have an GBA HR1 money acceptator and i want to connect it to the arduino i have no ideea how can i do this and no docs found on the net. Can you please help me here are the specs for the device http://www.cksquare.fr/download/gba.pdf.
Thanks.
This document includes more details about the connector:
In serial mode the pins are:
5: TXD (Open Collector output, requires a pull-up resistor)
9: RXD (TTL Level input, suitable for Arduino)
14: Motor Ground
15: Ground
16: +12V
17: +12V
18-20: "PDT Terminal" (whatever that means)