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Bicycle gadget

Discussion in 'General Electronics Discussion' started by Hi A, Feb 7, 2016.

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  1. Hi A

    Hi A

    Feb 7, 2016
    Hello, I have a project from school. I want to make a gadget that has red leds at the back and white leds facing front. Also, I would like to know how to put a sensor that calculates the speed of a bicycle and sound a buzzer when the bicycle moves too fast. Any advise on how to do this?
  2. Alec_t


    Jul 7, 2015
    Welcome to EP!
    Since this is your project, we don't do it for you but can give guidance. You are expected to show your efforts. What thoughts have you had so far?
  3. Hi A

    Hi A

    Feb 7, 2016
    Thank you. I am making something to improve the safety of bicycles. I would like to have red leds facing the back and white leds facing front. I would like to have a sensor to sense the speed of the bicycle. If possible, I would also want something like a gyroscope to detect falls and activate a buzzer. Please help me about what I should use. Thank you.
  4. Tinker Unique

    Tinker Unique

    Dec 1, 2014
    There are several components available on the market that do what you want, but to build the 'system" I might suggest an LED flashlight and a small LED taillight from a car. The 'gyro' will need a small motor to keep it spinning and a "trigger" to switch the buzzer when it moves off the preset axis.
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