It is a general purpose chassis mounting mains transformer. Transformer has 240V primary windings and centre tapped secondary winding. The transformer has flying colored insulated connecting leads (Approx 100 mm long). The Transformer act as step down transformer reducing AC - 240V to AC - 12V.
10 Channel Wired Remote Control Kit For Arduino/Raspberrypi/Robotics: The 10 Channel Wired Remote Control kit is a simple wired remote control kit with 10 Push Buttons connected to the relimate male headers across the resistors on the same board.