nicman23

#!/bin/zsh
pool=zdata

devices=$(zpool status -P $pool | grep /dev/ | awk '{print $1}')
intervalinsec=120

while true; do
  zpool iostat -HyL zdata $intervalinsec 1 |
   grep -q '0   0       0       0' ; res=$?

nicman23

import machine
import time

uart = machine.UART(1, baudrate=115200, tx=machine.Pin(4), rx=machine.Pin(5), timeout=20)
while True:
    if uart.any():
        res = uart.readline().decode('utf-8')
        if 'U-Boot Boot Menu' in res:
            print('yes')
            uart.write('')