The problem Automated Thermo-Sanitiser Dispenser solves

Reduces the wastage of sanitiser
Reduces human contact
Reduces the risk of exposure to the virus
Increases efficiency(humans are prone to make errors while checking the temperature and comparing it to the recommended values)
Multitasking(Fulfils the purpose of both sanitiser dispenser and temperature sensor)

Challenges we ran into

Placement of the nozzle of the sanitiser dispenser
Incorporating various hand spans difficulties