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emma21's Achievements


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  1. I am a total newbe to electronics and I need help fast!! I have a project coming up which is to design and build a circuit that detects a high velocity object. Once detected it needs to then operates a DC motor for one second then shut off. As I am a total newbe to electronics I am stuck. Oh and it needs to be battery powered, (the motor is only a small). I figure I could use a motion detector to start the cycle but how it all works I am lost. Also is a motion detector going to be able to detect a high velocity object? I am still going through the projects section to see if there is anything there that could help. If anyone has any ideas or circuit diagrams of this type of circuit I would be very grateful Thanks Emma
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