Did you know you can build an electronic circuit even on a cracker?馃く In this experiment I created a laser door alarm using a snack instead of a traditional circuit board. I inserted into the cracker holes: 馃攱 a battery 馃敂 a buzzer 馃寳 a light sensor 馃敡 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! 馃毃 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?馃く In this experiment I created a laser door alarm using a snack instead of a traditional circuit board. I inserted into the cracker holes: 馃攱 a battery 馃敂 a buzzer 馃寳 a light sensor 馃敡 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! 馃毃 A fun way to show that electronics can work on almost any surface. #electronics #diypro
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