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Apparatus for reading and storing information from vending machines with the aid of a control circuit board which supports a DEX communication protocol and a muli-drop bus (MDB) communication protocol for information concerning currency, coin, and electronic payments made or dispensed, information concerning when purchases were made, what items were purchased and the method and amount of payments made, information concerning operability, status and performance of vending machines, currency acceptors and coin changing devices; Apparatus for electronic transmission of information from vending machines, currency acceptors and coin changing devices by means of telecommunication networks; Apparatus for electronic communication with vending machine operators or service personnel, namely, apparatus for interface with payment device screens and digital displays and for communication of information to vending machine operators or service personnel