Quote Originally Posted by salem_c View Post
> Can someone help me how to get coin acceptor pulses from serial port (RS232 to be exact)
> I dont know what pin to put the signal wire of the coin acceptor to the serial port.
RS232 needs a minimum of 3 wires connected - or possibly 2 if it's purely one-way traffic.

Post the URL of the manual from the manufacturer of the coin acceptor.

https://www.arcadexpress.com/documen...al%20CH926.pdf

CH-9260 user manual