A Food Transporter
by Achmad Choiruman in Circuits > Assistive Tech
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A Food Transporter

The Food Transporter is an innovative device designed to efficiently transport food and beverages from a kitchen station to various dining tables in a restaurant or similar setting. This device utilizes a combination of mechanical and electrical components, including multicolored cables, electrical pipes, gears, hollow galvalum frames, bicycle chains, motors, sensors, and control switches.
The key features of the Food Transporter include:
- Automated Movement : Powered by a 6V gearbox and motor, the transporter moves seamlessly between the kitchen and dining tables, guided by sensors and control switches.
- Robust Construction : Built with durable materials like hollow galvalum, rivet nails, and electrical pipes to ensure stability and long-lasting performance.
- Smart Control System : Equipped with touch switches, relays, and a control panel that allows for easy programming and operation, ensuring precise and reliable food delivery.
- Safety and Convenience : Features such as limit switches, infrared sensors, and LED indicators enhance safety and provide clear signals for both kitchen staff and diners.
- Customizable Configuration : The transporter can be tailored to fit specific restaurant layouts and requirements, with adjustable frames and connectors.
Overall, the Food Transporter offers a practical and modern solution for improving the efficiency and appeal of food service operations, making it easier to deliver meals accurately and promptly to customers.
Supplies
The materials needed for this project are:
1. Multicolored cables - 10 meters
2. Paper insulation tape
3. Insulation tape
4. Solder
5. Electrical installation pipe - 1 piece
6. Front axle from a bicycle
7. 2 bicycle gears
8. 3 pieces of hollow galvalum (2 * 4 cm)
9. 7 bicycle chains
10. 50 hollow galvalum rivet nails
11. Black hot glue and hot glue sticks
12. CVP switch - 5 pieces
13. 5V relay - 5 pieces, 1 channel
14. 6V gearbox - 1 piece
15. 15V 2A adapter circuit
16. Medium limit switch - 5 pieces
17. 1 food display
18. 4-button timer - 1 piece
19. 9V box batteries - 2 pieces
20. 6V gearbox and wheels - 1 piece
21. Battery box connectors - 2 pieces
22. Battery holder 2A 1.5V - 1 piece
23. Infrared sensor - 1 piece
24. 5V relay - 1 channel - 1 piece
25. DC motor dimmer - 1 piece
26. Beatbox (2 oz capacity or 1/4 kg) - 1 piece
27. Yellow and green infraboard - 1 piece each
28. 5V LED - 2 pieces
29. Small limit switches - 2 pieces
The tools used are:
1. Hammer - 1 piece
2. Tank - 1 piece
3. Cutting pliers - 2 pieces
4. Electric drill - 1 piece
5. Hot glue gun - 2 pieces
6. Wire cutter - 1 piece
7. Wire stripper - 1 piece
8. Study lamp - 1 piece
9. Wooden board - 1 piece
10. 4 mm drill bit - 1 piece
11. Rivet tool - 1 piece
12. Metal sheet cutter - 1 piece
13. Small screwdriver - 1 piece
14. 40W electric soldering iron - 2 pieces
15. Mobile phone charger - 1 piece
16. AC cable - 1 piece
17. Faucet (5 meters) - 1 piece
18. Hacksaw - 1 piece
19. Wall stapler - 1 piece
20. Small scissors - 1 piece
21. Metal sheet - 1 piece
22. Battery holder - 1 piece
23. Screws, bolts, and nuts (17 mm size)
24. Stainless steel scrubber - 1 piece
25. Cable ties - 1 pack
26. Lighter - 1 piece
27. Wire stripper - 1 piece
28. Tape measure - 1 piece
Construction Steps:





1. Prepare 3 pieces of hollow galvalum (2 * 4 cm) and align two of them with a distance of approximately 23 cm.
2. Cut the remaining piece of hollow galvalum into 8 pieces, each 23 cm long.
3. Attach these 8 small pieces under the two aligned hollow galvalum with distances of approximately 3 cm, 10 cm, 17 cm, and 50 cm respectively, creating a structure for the food transporter.
4. Secure the structure with screws.
5. Prepare 4 brackets and attach them to the structure with rivet nails. Then, stretch 6 bicycle chains and connect them with hooks.
6. Build a carriage with 4 top and 4 side wheels with dimensions of approximately 26 cm x 26 cm.
7. Connect the carriage to the chains stretched between the gears and secure with yellow cable ties.
8. Test the setup to ensure smooth movement without slipping.
9. Create a 15V adapter circuit with a 3600 microfarad capacitor, 16V capacitor, 3A diodes, and a 2A transformer, connecting it to the AC power supply.
10. Install a motor dimmer and 5 touch switches made from 5V relays, diodes, and TTP223 touch sensors in a transparent plastic box.
11. Design the circuit for opening and closing the food transporter door, ensuring the lights inside turn on when food is inserted and the outer lights indicate food has been received.
12. Set up the control panel for directing the food transporter between the kitchen station and dining tables, ensuring the cover opens and food can be placed inside.
13. Adjust the system so the food transporter returns to the kitchen station after delivery.
This project was made by my students under my supervision, they are named Achmad Alif Hafidz, Ahmad Faisal,Kenzie Rafisqy Wardhana
Operating Instructions:

1. Set the food transporter to travel from the kitchen station to table 1. When it reaches table 1, the cover opens, allowing food to be placed inside.
2. The inner light turns on when food is placed, and the control panel is used to send the transporter to table 1.
3. Upon arrival, the cover opens, allowing the food to be taken out, and the transporter is directed back to the kitchen station for the next delivery.
4. Repeat the process for subsequent tables.
Conclusion and Closing
In conclusion, the Food Transporter is a highly innovative and practical solution designed to streamline the process of delivering food and beverages from the kitchen to dining tables in a seamless and efficient manner. By combining various mechanical and electrical components, this device ensures accurate and timely food delivery while enhancing the overall dining experience for customers. The robust construction, smart control system, and customizable configuration make it a versatile tool suitable for various restaurant settings.
By following the detailed steps outlined in the tutorial, you can successfully create a Food Transporter that will not only improve the efficiency of your food service operations but also add a modern touch to your establishment. This project demonstrates how technology can be harnessed to solve everyday challenges and contribute to the growth of the food and beverage industry.
We hope this tutorial has been helpful and informative. Thank you for your attention, and we wish you the best of luck in building and implementing your Food Transporter. Should you have any questions or need further assistance, please do not hesitate to reach out.