Information gathered from different websites and videos:

2.1 Coin sorting machine using cardboard

Materials required:

• Cardboard Sheets
• Cutter
• Hot glue gun
• 3 Bottle Caps
• Pencil & Scale
• Ruler

Steps involved

• Cut Cardbaord Pieces in Proper Dimensions
• Using cardboard make 3 boxes for 3 sizes of coins
• Stick cardboard together to build main body
• Cut the cardboard properly as per the size of coins
• Make an inclination for the movement of coins
• The coins are now sorted based on size.

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Reference

2.1 Website referred

2.2 Arduino counting machine using IR sensors

Required Components

• Arduino UNO
• IR sensor
• Breadboard
• 16*2 Alphanumeric LCD
• I2C Module for 16x2 (1602) Alphanumeric LCD
• Connecting Wires

This machine counts and sorts the coins in different sections with the help of an Infrared sensor. Here, an arrangement is made where IR sensors are placed to sense different coins, and Arduino UNO is used for processing the data and showing the total count value on 16x2 LCD.

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Reference

2.2 Website referred

2.3 Coin sorting by rotatory mechanism

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Reference

2.3 Website referred

2.4 Coin counting machine by slider mechanism and vibrating motor

Image

Reference

Video referred