Backup Raspberry

 lsusb

screen 

top

kill ( Processo ) 

echo -ne 'b' > /dev/ttyUSB0

ls /dev/ttyUSB0

sudo screen /dev/ttyUSB0 9600,cs8,-cstopb,-parenb,-ixon,ixoff,-istrip

b

ls /dev/ttyUSB0

sudo screen /dev/ttyUSB0 9600,cs8,-cstopb,-parenb,-ixon,ixoff,-istrip

ls /dev/ttyUSB0

sudo screen /dev/ttyUSB0 9600 "b",

echo -en "b" > /dev/ttyUSB0

max1.sh

echo -ne 'b' > /dev/ttyUSB0

max2.sh

echo -ne 'a' > /dev/ttyUSB0

import serial

comunicacaoSerial=serial.Serial('/dev/ttyUSB0',9600)

k=str()

while 1:

      k=comunicacaoSerial.read()

      int_k = int(k)

      print(k==1

 

teste.sh

Picom 

picocom /dev/ttyUSB0 <B>

echo -ne 'b' > /dev/ttyUSB0