Coin Sensor / Key Press Module

1. Coin Sensor / Key Press Module See it in action! https://www.youtube.com/watch?v=sgtE3pUViZY

2. Coin Sensor - Materials Tools: Glue gun Scissors Ruler Pencil Screw driver Wire strippers Pliers Parts: Geared motor Rubber shaft tubing large Rubber shaft tubing small 24 gauge hookup wire 2 alligator clip wires.

3. Coin Sensor - Materials Supplies: Glue sticks Masking tape Coffee stirrer sticks Cardboard Paper clamps Paper clips Rubber bands

4. 1. There is the ugly way to fold cardboard and the way cool way to fold cardboard. Score and Fold 2. Run the point of a scissors along a ruler where you want to fold the cardboard. 3. Bend the cardboard along the scored line.

5. Coin Spillway – Cut and score cardboard Score along the dotted lines. Cut along the solid lines. 11” 8.5” 1” or the width of your ruler

6. Coin Spillway – Cut and score cardboard Score along the dotted lines. Cut along the solid lines.

7. Coin Spillway – Cut and score cardboard Score along the dotted lines. Cut along the solid lines.

8. Coin Spillway – Cut and score cardboard Score along the dotted lines. Cut along the solid lines.

9. Key press arm – Cut and score cardboard Score along the dotted lines. Cut along the solid lines. 11” 8.5” 1” or the width of your ruler

10. Key press arm – Cut and score cardboard Score along the dotted lines. Cut along the solid lines. 11” 1” or the width of your ruler

11. Key press arm – Cut and score cardboard Make triangle structures. Triangles can make structures stable and strong.. Usually, the width of your ruler will work to set the width of your cuts and scores. Hot glue foamy strips from the arm to the tringle fulcrum. This will act as a hinge.

12. Key press arm – Cut and score cardboard Hot glue foamy strips from the arm to the tringle fulcrum. This will act as a hinge.

13. Key press arm – Cut and score cardboard Score along the dotted lines. Cut along the solid lines. 11” Make a triangle structure to mount under the arm. This will press a key when the coin hits the arm. Cut a short coffee stirrer stick to press the computer key 8.5” 1” or the width of your ruler

14. Key press arm – Cut and score cardboard Make a triangle structure to mount under the arm. This will press a key when the coin hits the arm. The rubber bands act to balance the arm so it does not press too hard on a key until the coin hits the arm. You may add rubber bands until the arm freely swings.

15. Key press arm – Cut and score cardboard Get ready to attach the arm extension. Attach the key presser and then the arm extension with rubber bands. This will enable you to adjust the position of the key presser and extension arm for the size of your computer keyboard.

16. Coin Sensor – Test and Adjust Finished key press coin sensor … Good job!

17. Coin sensor – Decorate Think of clever ways you can decorate your coin sensor to attract attention. And to make it clear what the user must do.

18. Motor Mount – Cut and score cardboard Base Triangle structures 11” 8.5”