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Light Activated "Off" Switch, Or dark activated "On" switch
Okay, this seems like a relatively simple task... I need to make/get approximately 30 switches that require no power, and connect to ground when there is no light shining on them. Meaning that when there is a light on them, they are not grounded. And Also, the light being used is a powerful...- mynamehere93
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- Replies: 2
- Forum: LEDs and Optoelectronics
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Building a MIDI Laser Harp out of a keyboard with various designs...For Cheap!
First off, lets settle this question: THIS is a laser harp It works by playing a specific note when a laser beam is interrupted. and MIDI, without getting technical, is a computer language used on MANY instruments, meaning that, if i can play a (musical) keyboard and output it in MIDI...- mynamehere93
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- Replies: 0
- Forum: LEDs and Optoelectronics
