All icons are part of the noun project.
https://thenounproject.com

Creatives Commons by

- Arduino Nano
Created by Ivan Becerra from the Noun Project

- Thermometer
Created by José Manuel de Laá from the Noun Project

- Led Strip
Created by Antoine Dieulesaint from the Noun Project

- Source file
Created by Arthur Shlain from the Noun Project

- Buzzer (bells)
Created by Sergey Demushkin from the Noun Project

- Web Interface icon
Created by Unlimiticon from the Noun Project

- 3D printer
Created by Franc from the Noun Project

- Chrome
Created by Sofia Moya from the Noun Project

- RGB Led
Created by Victor Bolivar from the Noun Project

- Bulb
Created by Alena Artemova from the Noun Project

- Motor
Created by Hans from the Noun Project

- Soldering Iron
Created by DesignBite from the Noun Project

- Sofa
- Door
- Portrait
Created by Ralf Schmitzer from the Noun Project

- Laptop
Created by AfterGrind from the Noun Project

- Exe file
Created by Chanut is Industries from the Noun Project

- Usb cable
Created by Oliviu Stoian from the Noun Project

- Radio Network
Created by Ömer Demirsoy from the Noun Project

- Touch
Created by Blair Adams from the Noun Project

- Switch
Created by Setyo Ari Wibowo from the Noun Project

- Raspberry Pi
Created by DesignBite from the Noun Project

- Usb dongle
Create by Aleksandr Vector from the Noun Project

- Web Interface
Created by Unlimiticon from the Noun Project