$B@V$r(B$B9u(B$B$K(B(3)

5$B!A(B6$BJ,$*$-$K%j%V!<%h$9$k$n$o!"(b $B$*$=$i$/(B AVR $B$K%3%^%s%I$rAw$C$F$$$J$$$;$$$@$H;W$&!#(B

$B$?$a$7$K(B1$BJ,$K(B1$B2s(B VVVV $B$rAw$C$F$_$k(B

[root@hackkit /root]# while true; do echo -n 'VVVV'> /dev/ttyS1; sleep 60; done

$B7k2L!"(B

[root@hackkit /root]# uptime
 $B8a8e(B08$B;~(B43$BJ,(B $B2TF/(B 20$BJ,4V(B, 1 $B%f!<%6(b, $BIi2YJ?6QN((B: 0.00, 0.00, 0.00
[root@hackkit /root]#

$B$H(B20$BJ,$OMn$A$:$K;}$C$?!#(B
$B$?$a$7$K!"(BVVVV $B$rAw$i$:$KJ|CV$9$k$H!"Ls(B5$BJ,8e$K%j%V!<%h$,;o$^$c$?!#(b

$BDj4|E*$K(B VVVV $B$rAw$k$HNI$$$h$&$@!#$5$F!"$I$&$d$C$FAw$m$&$+!#(B

$B@V$r(B$B9u(B$B$K(B(3)