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

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

Make large size two gear with a diameter of 17cm and number of teeth is 24, from 12mm PVC

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.

Attach the bearing on the center of two large-size gear.

Spray the color on both gear and fix on a wooden sheet (see video for details)

Make the three small gear as dimension shown in the above image.

Spray the color and attach all the gear on one large gear's inner part.

Fix on the motor on a wooden sheet

Draw and cut the character to make open and closed words

Attach all character on the small and large gear as shown in the image

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.

Rotate the Gear using wireless remote to change from open to closed and vice versa.