UnoR4 Tutorial 9(joystick) &led-matrix(MAX7219)

 keypad,servo....

---------------------joystick------------------------------

x軸とy軸はanalog readのため、反応時間がやや遅いのでdelayを選ばんとうまくいかん　

z軸はswitch on offのdigital read

--------------------------------------LED MATRIX MODULE ---------------unoR3------------------

MAX7219::https://workshop.aaa-plaza.net/archives/2285#toc2