<a href= »https://www.flaticon.com/free-icons/sensor » title= »sensor icons »>Sensor icons created by LAFS – Flaticon</a>
<a href= »https://www.flaticon.com/free-icons/wifi » title= »wifi icons »>Wifi icons created by Payungkead – Flaticon</a>
<a href= »https://www.flaticon.com/free-icons/cloud-computing » title= »cloud computing icons »>Cloud computing icons created by Freepik – Flaticon</a>
<a href= »https://www.flaticon.com/free-icons/device » title= »device icons »>Device icons created by Muhammad Ali – Flaticon</a>
<a href= »https://www.flaticon.com/free-icons/graphic » title= »graphic icons »>Graphic icons created by Freepik – Flaticon</a>
<a href= »https://www.flaticon.com/free-icons/keys » title= »keys icons »>Keys icons created by Smashicons – Flaticon</a>