Activity4

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1065952/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=30&title=plc&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1065952/charts/2?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=60&title=hydraulic_valve&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1065952/widgets/184526"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1065952/widgets/184527"></iframe>