Introduction: How to Make a Magical Rotating Open / Closed Sign Board
DIY : Learn how to make a Revolutionary Secret Open and Closed Sign Board.
Source: Navin Khambhala # crazyNK
Step 1: List of Martials
1. Wooden sheet with laminate: 42cm X 20cm
2. PVC sheet (12mm): 18cm X 18cm (2 pieses)
3. ACP sheet (3mm): 18cm X 18cm
4. PVC sheet (4mm): 30cm X 20 cm
5. N20 DC Gear Motor: 30 RPM
6. Bearing: 2 pieses
7. Wireless remote control: forward and reverse function
8. 3.7 V Li-ion Battery
Step 2: Make Large Size Gear
Make large size two gear with a diameter of 17cm and number of teeth is 24, from 12mm PVC
Step 3: Cut the Inner Part of Gear
Cut the inner part of Gear with 7cm diameter and superimpose on 3mm ACP sheet, cut this ACP sheet in round shape with 17cm diameter.
Step 4: Fix the Bearing on Gear
Attach the bearing on the center of two large-size gear.
Step 5: Color and Fix on Wooden Sheet
Spray the color on both gear and fix on a wooden sheet (see video for details)
Step 6: Make the Small Gear
Make the three small gear as dimension shown in the above image.
Step 7: Color and Fix (small Gear)
Spray the color and attach all the gear on one large gear's inner part.
Step 8: Fix the Motor
Fix on the motor on a wooden sheet
Step 9: Draw the Letter and Cut
Draw and cut the character to make open and closed words
Step 10: Attach Latter on Gear
Attach all character on the small and large gear as shown in the image
Step 11: Connect Wireless Remote and Battery
Connect wireless circuit and make the connection between motor and battery. Also, attach one extra gear with 12 teeth that have the size exact half of the large gear.
Step 12: Final Functional Sign Board Is Ready to Run
Rotate the Gear using wireless remote to change from open to closed and vice versa.