Dark Light

Everybody talks about futuristic things is must be. But one you can't for see the future, how would you react. If your eye's, suddenly go blind. What will you do? But blind people never react because they are blind from the beginning. they struggle every day will this problem. The most important problem is migration. but don't worry about that guy's dark light will help you, some object will be in front of you that you will know even through Dark Light

Step 1: Required Materials

# Arduino nano

amazon link: https://amzn.to/2FZMVCN

# SD card module

amazon link: https://amzn.to/2XwQawi

# Ultrasonic sensor

amazon link: https://amzn.to/2JkTW3c

# lithium iron battery

amazon link: https://amzn.to/2FXqgH4

# lithium-ion battery charging module

amazon link: https://amzn.to/2G1dZBt

# headphone holder

#SD card

amazon link: https://amzn.to/2FYHaFt

# switch

amazon link: https://amzn.to/2FZm9dE

Step 2: How to Achieve This

At first, take the Arduino nano and Ultrasonic sensor. then combine these two and check it properly by testing it.it will work properly,

The second step in to attach the Arduino nano with the sd card module and insert the sd card. to check it's working, play some audio files. It will play if your circuit is completely alright.

ok let's combine these two projects in one

Step 3: How It Works

Now ultrasonic sensor can sense up to 105 meters,almost 5 feet distance. measure the length of the blind people's step in centimeter create or set the coding based on the calculation, Now fix the headset and handle it properly.if an object is in front of the people, it will play audio. it says"one foot" or "four feet" etc...if nothing in the way its play "root clear".

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