Skittles M&M's Sorting Machine

This is a Sorting Machine for separating the colors of Skittles and M&Ms into 5-6 cups.

Features

• Sorts Skittles, M&M's, Reese's pieces and similar sized candies
• Differentiates by color
• Supports up to six colors
• Hopper handles up to 500 gram / 17 oz bags
• Processes up to 80 pieces per minute
• Easy maintainable C code - Arduino platform
• Runs off single 9V power supply
• External terminal statistics and diagnostics possible

Parts and cost

Below is the BOM for the project. Useful if you want to replicate or make something similar to this.

No.	Part number	Description	Quantity	Cost
1	ARD-UNOR3	Arduino Uno R3	1	29.95USD
2	RE210-S1	Prototyping 2.54mm Pitch Board	1	2.95 USD
2	PSU-9V1A	Regulated switching 9VDC 1A power adapter	1	5.00 USD
2	ROB-09453	Analog Line Sensor (QRE1113) Breakout Board	1	2.95 USD
3	SEN-10701	Color Light Sensor (ADJD-S311-CR999) Evaluation Board	1	14.95 USD
4	S35-STD	GWS Robotic Continuous Rotation Servo	1	13.49 USD
5	S125-1T	GWS Sail Winch 360-degree Rotation Servo	1	19.95 USD
6	FEEDER	3D Printed Hopper/feed wheel	1	8.00 USD
6	SEEDER	3D Printed Carousel/item seeder	1	8.00 USD
4	PRT-10373	Jumper Wire 3-pin 12-inch	1	1.95 USD
5	PRT-10375	Jumper Wire 5-pin 12-inch	1	1.95 USD
5	ROD-1MM	Steel Rod 15x1mm	1	0.50 USD
6	IC-TUBE	IC/compoment plastic tube 23x20x500mm	10	free/0.50 USD
6	DIN85M3x5	M3 x 5mm Slot Pan Head Screw DIN 85	20	0.08 USD
6	DIN85M3x50	M3 x 50mm Slot Pan Head Screw DIN 85	20	0.16 USD
6	DIN85M3x30	M3 x 30mm Slot Pan Head Screw DIN 85	40	0.14 USD
6	DIN125M3	M3 Washer Form A DIN 125	100	0.014 USD
6	DIN439M3	M3 Thin Nut DIN 439	100	0.048 USD
			Total	99.00 USD

Download

Code

The C code for the project is available below. It is Arduino IDE compatible and opens all the required libraries.

• Download

Models

Download the package below to 3D print your own parts. The files are STL and ready to be imported into most 3D printing software.

• Download