AR-2 USB Relay Control App

USB Relays connect directly to your phone or tablet's USB or Micro USB port. The AR-2 Relay Controller App is the ideal solution for hundreds of applications where control of external devices is needed. Connect the AR-2, AR-2MF or AR-2S Relay Interface to your Tablet or Phone's USB port and you have instant control of any electrical device that can be connected to a relay.