This is 2020 Version MDB-RS232 with Raspbery PI GPIO interface Working with bill acceptor,coin validator, card reader,cashless defvice, for vending ... more info
This is 2020 Version MDB-RS232 with USB interface Working with bill acceptor,coin validator, card reader,cashless defvice, for vending machine,kiosk ... more info
Specification: Model name: GSM-CTLOutput: Double relay output channel.Output Rating: Maximum 30A /220V output channelPower input: DC12V power ... more info
Specification: Model name: GSM-RELAY V2015Output: Seven relay output channel.Output Rating: Maximum 10A /220V output channelPower input: DC12V power ... more info