Components
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Resistor – 10K, 330E |
x 1 | |
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IC 7805 |
x 1 | |
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Ceramic capacitor 22pf |
x 2 | |
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Ceramic capacitor 0.1uf |
x 1 | |
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Electrolytic capacitor – 47uf/63v |
x 1 | |
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LED |
x 2 | |
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5V Active Buzzer |
x 1 | |
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LDR |
x 1 | |
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4mm SPDT switch |
x 1 | |
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16 MHZ Crystal |
x 1 | |
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HC SR 04 Ultrasonic module |
x 1 | |
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28 pin IC base |
x 1 | |
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atmega328p |
x 1 | |
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Terminal block |
x 1 | |
|
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Female header pin |
x 1 |
Description
How to Build an electronic Blind assistance device
It will detect object from about 2ft away
& the beep sound will be change according to distance of object. If light is very low then the buzzer will beep once per second.
So it is possible to gauge the distance & Light condition by hearing different beep sound.
It will also works in complete dark condition
You can make with it a smart gloves or you can install it on a regular blind stick.
Download Arduino code & more details - https://technoreview85.com/build-electronic-blind-assistance-device/
Code
https://technoreview85.com/build-electronic-blind-assistance-device/
Schematic and Layout
https://technoreview85.com/build-electronic-blind-assistance-device/
Mar 21,2020
2,545 views
How to Build an electronic Blind assistance device
How to Build an electronic Blind assistance device or blind stick
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Published: Mar 21,2020
Download Gerber file 75
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