logger

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=600&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/widgets/973855"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/charts/3?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=600&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/charts/2?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=600&type=spline"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/widgets/973858"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/widgets/974514"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/widgets/974516"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/591647"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2755913/charts/4?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=600&type=line"></iframe>