Using Fit-statUSB to provide visual server health in my homelab using proxmox

#!/bin/bash

# Define color variables
BLUE="000011"
RED="010000"
YELLOW="050500"
GREEN="000100"
WHITE="111111"
OFF="000000"
DECAY="#FF0000"

# Initialize the serial port
usbreset fit_StatUSB
if [ $? -ne 0 ]; then
    echo "Device not found. Aborting."
    exit 1
fi

sleep 5
stty -F /dev/ttyACM0 9600 raw -echo -echoe -echok -echoctl -echoke
sleep 5

# Function to send a color command to Fit-statUSB
send_color() {
    echo Sending: "B#${1}-250#000000-1000${DECAY}-9999"
    echo -e "B#${1}-250#000000-1000${DECAY}-9999" > /dev/ttyACM0
    sleep 1
}

echo -e "F0001"     > /dev/ttyACM0; sleep 1 # Minimal Transition
echo -e "#${RED}"   > /dev/ttyACM0; sleep 1 # Red
echo -e "#${GREEN}" > /dev/ttyACM0; sleep 1 # Green
echo -e "#${BLUE}"  > /dev/ttyACM0; sleep 1 # Blue
echo -e "#${WHITE}" > /dev/ttyACM0; sleep 1 # White
echo -e "#${OFF}"   > /dev/ttyACM0; sleep 1 # Off

while true; do
    # Get processor idle time using vmstat
    idle=$(vmstat 1 2 | tail -1 | awk '{print $15}')

    # Get Proxmox health state
    expected_votes=$(pvecm status | grep 'Expected votes:' | awk '{print $2}')
    total_votes=$(pvecm status | grep 'Total votes:' | awk '{print $2}')
    flags=$(pvecm status | grep 'Flags:' | awk '{print $2}')

    if [ "$flags" != "Quorate" ]; then
        proxmox_status="$RED"
    elif [ "$expected_votes" != "$total_votes" ]; then
        proxmox_status="$YELLOW"
    else
        proxmox_status="$GREEN"
    fi

    # Check network connectivity
    if ping -c 1 8.8.8.8 &> /dev/null; then
        network_status="$GREEN"
    else
        network_status="$RED"
    fi

    # Determine processor state color
    if [ "$idle" -lt 10 ]; then
        processor_status="$RED"
    elif [ "$idle" -lt 20 ]; then
        processor_status="$YELLOW"
    else
        processor_status="$GREEN"
    fi

    # Repeat the sequences 6 times before re-evaluating the system state
    for i in {1..6}; do
        # Create and send blink sequence with breaks
        send_color "$BLUE" # Initial Blue indicating start of the dataset
        send_color "$processor_status"
        send_color "$proxmox_status"
        send_color "$network_status"
    done
done