1多功能显示器能通过按键二和按键三来调整LCD显示站名，方便乘客能随时知道列车即将到达哪站，给需要下车的乘客作好提示的准备。 TS1602-LCD显示器来显示 温度传感器采用DS18B20-Through one multi-function display keys b and c keys to adjust the LCD display station name, the convenience of passengers able to know which train station