Noise Level Monitor Simulation

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2910945/charts/1?bgcolor=%23ffffff&color=%23d62020&days=1&dynamic=true&max=100&min=30&round=1&title=Live+Library+Noise&type=line&xaxis=Time&yaxis=dB+%28decibels%29&yaxismax=100&yaxismin=30"></iframe>