A soda dispensing machine which offers 3 choices of cool drinks and 3 choices of quantities for each drink. The quantity is dispensed when required number of five-rupee coins are entered into the machine corresponding to the quantity of drink selected.

The Technical Specifications are as follows

• Quantities offered are 50ml,100ml and 150 ml for small, medium and large respectively. • Corresponding to each button there is an attached LED, which indicated the press of user. • 3 more LEDs to indicate insufficiency of the drink with respect to the quantity chosen. • Each drink must has its own dispenser.