I have made 3 projects on arduino that includes motion sensing car , patient communication system , parking availability system and two with raspberry pi 3 which was ispecs- specs for blind integrated with google Assistant for home automation and blockchain based electronic voting machines.
Github link profile is below:
https://github.com/utkarshchandrakar
My winning project was parking availability system which was made during my 1st hackathon in sankara-1 durg,cg and it was also my first iot based project and I have also been finalist at TITAN hackathon.