DIY Touchless Laser Security Radar Alarm with Arduino! 🚨⚡
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YouTubeSparkByte DIY
DIY Touchless Laser Security Radar Alarm with Arduino! 🚨⚡
Welcome back to SparkBite DIY! ⚡ In this video, we build a Touchless Laser-Style Security Radar Alarm System using an Arduino Uno and HC-SR04 Ultrasonic Sensor! When an object or intruder crosses the 20cm radar threshold, it instantly triggers a loud Police Siren along with a High-Speed Red & Blue Split Strobe Light Effect! Super cool, simple ...
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Did you know you can build an electronic circuit even on a cracker?🤯 In this experiment I created a laser door alarm using a snack instead of a traditional circuit board. I inserted into the cracker holes: 🔋 a battery 🔔 a buzzer 🌗 a light sensor 🔧 a few resistors When the laser hits the sensor, the circuit stays silent. But if someone opens the door and breaks the beam, the alarm immediately goes off! 🚨 A fun way to show that electronics can work on almost any surface. #electronics #diypro
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Did you know you can build an electronic circuit even on a cracker?🤯 In this experiment
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