Nhom4_KhiGas

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2536513/charts/4?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=60&type=line&xaxis=Time&yaxis=Gas+%28%E2%80%B0%29"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2536513/maps/channel_show"></iframe>