The Silent Soldier

Are your displays boring?
Are 3D static displays no longer 'doing it' for you?
Tired of American reenactors no longer taking their hits?

Then I have just the thing for you!
This contraption is an automatic sensor that pops off an S mine into the air once someone gets within a foot of the device. It triggers a 3 second delay, then launches the mine about 3 ft high, just like the real thing.

what you'll need:
- 4" PVC tube
- 4" PVC end cap
- 4 AA battery container (https://www.amazon.com/dp/B07T7MTRZX?ref=ppx_yo2ov_dt_b_fed_asin_title)
- mini breadboard
- arduino Rev3 (inside mounting case)
- 45kg servo
- 3/4" PVC tube
- 3/4" wood dowel x 1"
- 9/16 x 5" compression spring
- codder pin
- 10-24 x 1" nuts and bolts (x4)
- 9 volt battery
- 9 volt DC plug (https://www.amazon.com/dp/B01AXIEDX8?ref=ppx_yo2ov_dt_b_fed_asin_title)
- dupont cables
- on/off rocker switch (https://www.amazon.com/dp/B0B6ZRMQLW?ref=ppx_yo2ov_dt_b_fed_asin_title)
- 4 SR04 ultrasonic sensors
- 4 AA batteries

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