We are using a web based ticketing system, with an xml and transaction api, we also have a build in access control system based on portal or gates scanning and verification in a live environment. We normally just need a pc and a usb scanner in order to scan or verify tickets. Now we want to attach
Turnstiles, so our web need to trigger a signal to unlock a turnstile for access, it can be done by writing an external sercer software which logs into the website, click through the access control, call up the events enabled for scanning and verfiy barcodes, send the signal back to the server and server unlock the
turnstile maybe as a single solution with an android pc, usb relais and usb scanner? or a scanning server software which controls more gates and turnstiles.