Arduino Uno + ESP8266 + Relay

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124151/charts/1?bgcolor=%23000000&color=%2300ff00&dynamic=true&results=5&title=Data1&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124151/charts/2?bgcolor=%23000000&color=%230000ff&dynamic=true&results=5&title=Data2&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124151/charts/3?bgcolor=%23000000&color=%23ff0000&dynamic=true&results=60&title=Data3&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124151/charts/4?bgcolor=%23000000&color=%23ffff00&dynamic=true&results=60&title=Data4&type=line"></iframe>