James Cripps
Published © GPL3+

Motion Sensor Water Gun

Soak your unsuspecting friends with a motion-activated water gun!

EasyFull instructions provided1 hour10,507
Motion Sensor Water Gun

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
PIR Motion Sensor (generic)
PIR Motion Sensor (generic)
×1
Solderless Breadboard Half Size
Solderless Breadboard Half Size
×1
General Purpose Transistor NPN
General Purpose Transistor NPN
I used the 2N3904
×1
Resistor 330 ohm
Resistor 330 ohm
Does not need to be exactly 330 ohm, slightly larger or smaller values also worked.
×1

Hand tools and fabrication machines

Laser cutter (generic)
Laser cutter (generic)

Story

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Credits

James Cripps

James Cripps

2 projects • 1 follower
Avid hardwarian and wantrepreneur. Been tinkering with Arduino since 2011. Born in Hong Kong, raised in Shanghai, now living in Sydney.
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