from time import sleep import serial import psutil ser = serial.Serial('/dev/tty...', 9600) while 1: vm = psutil.virtual_memory() cpu = psutil.cpu_times_percent() ser.write("mem: "+str(vm[2])) ser.write("cpu: "+str(cpu[0])+"/"+str(cpu[2])+"/"+str(cpu[3])) sleep(5) ser.close