PERTINENT INFORMATION GATHERING by Vishnu (01fe21bec207) - N-division-2021-2022-even/Repo-02 GitHub Wiki

1)AUTOMATIC SANITARY NAPKIN VENDING MACHINE:

FUNCTION:

A automatic sanitary napkin vending machine is an automated machine that provides napkins to the customers after the acceptance of money.

ELECTRICAL AND MECHANICAL COMPONENTS REQUIRED:

1)Arduino

2)Coin Acceptor

3)DC motor

4)Display

5)Spring

6)Motor Drive IC

REFERENCE:

https://ijsrem.com/download/automatic-sanitary-napkin-vending-machine-using-arduino/

2)COFFEE VENDING MACHINE:

Coffee vending machine is a vending machine that dispenses hot coffee and other coffee beverages. The machine was invented in the United states by the Rudd-Melikian company in 1947,debuting as the "Kwik Kafe".several US companies also began manufacturing the machines in 1947, and by 1955 over 60,000 existed in the us today coffee vending machines exist in various areas of the world , and are very common in Japan.

FUNCTION:

To accept the amount of money letting the costumer to choose the type of coffee required and deliver it.

ELECTRICAL COMPONENTS REQUIRED:-

  1. AURDINO UNO

  1. LCD DISPLAY

  1. 4 BUTTONS

  2. 8 MOTORS

  3. PCF 8574

Circuit diagram and working:

REFERENCE

https://www.theengineeringprojects.com/2021/11/smart-coffee-vending-machine-using-arduino.html