Control the number of customers in a store using a phone app to ensure social distancing.
Large shops used staff to limit customer entry during lockdown. Small shops which don't have extra staff, can use this solution.
Multipurpose dispenser made from components of water purifier, scrap & hardware to use either soap+water or sanitiser dispensing
Tableau on a 64x32 RGB matrix that displays real-time statistical information on COVID19 in countries with the highest cases of infection.