~forward ButtonB1_Show = On ButtonB1_Back = Blue If ButtonB1 = Pressed Dout1 = On Dout2 = Off Dout3 = On Dout4 = Off End If ~stop ButtonB2_Show = On ButtonB2_Back = Red If ButtonB2 = Pressed Dout1 = Off Dout2 = Off Dout3 = Off Dout4 = Off End If ~reverse ButtonB3_Show = On ButtonB3_Back = Green If ButtonB3 = Pressed Dout1 = Off Dout2 = On Dout3 = Off Dout4 = On End If ~turn left ButtonA2_Show = On ButtonA2_Back = Blue If ButtonA2 = Pressed Dout1 = Off Dout2 = Off Dout3 = On Dout4 = Off End If ~turn right ButtonC2_Show = On ButtonC2_Back = Red If ButtonC2 = Pressed Dout1 = On Dout2 = Off Dout3 = Off Dout4 = Off End If Read_Controller Goto = 1