Digital Volume Indicator

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/388959/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&max=10&min=0&results=60&title=VOLUME&type=line&xaxis=TIME&yaxis=VOLUME+in+Lt&yaxismax=10&yaxismin=0"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/388959/charts/2?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=60&type=line&update=15"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/388959/status/recent"></iframe>