ls /dev/ | grep -i "tty" | grep -i "usb"
screen /dev/tty.SLAB_USBtoUART 115200 ampy -d 0.5 -p /dev/tty.SLAB_USBtoUART -b 115200 put <>
192.168.4.1
mosquitto_pub -h <<MQTT_HOST>> -t <<MQTT_TOPIC>> -m 'clear' mosquitto_pub -h <<MQTT_HOST>> -t <<MQTT_TOPIC>> -m 'all/green' mosquitto_pub -h <<MQTT_HOST>> -t <<MQTT_TOPIC>> -m 'blink/5/red' mosquitto_pub -h <<MQTT_HOST>> -t <<MQTT_TOPIC>> -m 'set/0/red' mosquitto_pub -h <<MQTT_HOST>> -t <<MQTT_TOPIC>> -m 'set/1/yellow'