Comment faire une barrière laser - DIY
Première partie du montage du montage d'une barrière laser. Composants utilisés: 1 résistance de 180 OHMS 1 résistance de 470 OHMS 1 résistance de 10K 1 résistance de 100K 1 résistance de 470K 1potentiomètre de 500K 1 photo-transistor 1 LED 1 LED laser -1 LM339 FACEBOOK: / protoelectronique2 / 318826565234314 Abonnez-vous / @protoelectronique ~-~~-~~~-~~-~ Please watch: "Présentation de mon environnement de travail " • Présentation de mon environnement de travail ~-~~-~~~-~~-~
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The Force of Lasers - [Science 2.0]
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DIY Laser Security Alarm Up to 1000 Meters – How to Make a Security Alarm Using an Optical Mouse
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Why Put A Capacitor Across The Diode? Here's Why!
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J'ai fabriqué un LASER DE FEU à la maison 😲🔥
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Automatic lighting - homemade motion detector
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Unbelievable Smart Worker & Hilarious Fails | Construction Compilation #5 #adamrose #smartworkers
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How to make a "Laser Security Alarm System" at Home on a Breadboard [HD]
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10 Ways to Open a Lock without key
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Open ANY Lock without a key in a flash!Smart DIY Tips
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