In case you want a nerdier way to make a cheap motion detecting squirt gun, Here's how you can build your own with an Arduino and a PIR sensor!
Arduino Motion Detecting Squirt Gun
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- Raid Auto Trigger
- Arduino
- PIR Motion Sensor
- Diode
- NPN Transistor
- Wire cutters and wire
TOTAL COST: ~$45.00
[tabby title="Step 3"]
const int pirPower = 13; const int pirIn = 12; int motorPin1 = 3; void setup(){ pinMode(pirPower, OUTPUT); pinMode(pirIn, INPUT); pinMode(motorPin1, OUTPUT); digitalWrite(motorPin1, LOW); digitalWrite(pirPower, HIGH); } void loop(){ int value= digitalRead(pirIn); if (value == HIGH){ digitalWrite(motorPin1, HIGH); delay(500); digitalWrite(motorPin1, LOW); } }
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Jeb_Leeds
October 3, 2017 at 4:14 pm
Is it possible to add a timer to the motion sensor so that it will only work after say 7 seconds of being tripped?