（A）1个PS2带按钮十字摇杆，4颗圆形按钮,2个小按键。 （B）板载的开关电压可以在3.3V和5V之间切换。 其中对于摇杆来说，摇杆有两个电位器，可连接到Arduino上的模拟引脚A0和A1。A0的值对应于X位置。A1的值对应于Y位置。要读取这些模拟值，请使用AnalogRead()函数。

Adafruit has this week unveiled a new second-generation version of its popular 1.8 inch Colour TFT display which is now being combined with an Arduino shield fitted with a microSD card slot and a ...