1. [n.d.]. Fort Building Construction Forts Toys. https://www.amazon.com/Fort-Building-Construction-Forts-Toys/dp/B08QRSL9L8 [n.d.]. Fort Building Construction Forts Toys. https://www.amazon.com/Fort-Building-Construction-Forts-Toys/dp/B08QRSL9L8
2. [n.d.]. Micro Vibration Motor. https://www.amazon.com/NW-Powerful-Vibration-1-5V-4-5V-19000RPM/dp/B073VCMVBM [n.d.]. Micro Vibration Motor. https://www.amazon.com/NW-Powerful-Vibration-1-5V-4-5V-19000RPM/dp/B073VCMVBM
3. Protopiper
4. Autodesk. [n.d.]. Eagle | PCB Design and Electrical Schematic Software | Autodesk. https://www.autodesk.com/products/eagle/overview Autodesk. [n.d.]. Eagle | PCB Design and Electrical Schematic Software | Autodesk. https://www.autodesk.com/products/eagle/overview
5. Autodesk. [n.d.]. Fusion 360 | 3D CAD CAM CAE & PCB Cloud-Based Software | Autodesk. https://www.autodesk.com/products/fusion-360/overview Autodesk. [n.d.]. Fusion 360 | 3D CAD CAM CAE & PCB Cloud-Based Software | Autodesk. https://www.autodesk.com/products/fusion-360/overview