|
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Resistor – 10K, 330E |
x 1 | |
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IC 7805 |
x 1 | |
|
|
Ceramic capacitor 22pf |
x 2 | |
|
|
Ceramic capacitor 0.1uf |
x 1 | |
|
|
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 | |
|
|
HC SR 04 Ultrasonic module |
x 1 | |
|
|
28 pin IC base |
x 1 | |
|
|
atmega328p |
x 1 | |
|
|
Terminal block |
x 1 | |
|
|
Female header pin |
x 1 |
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/
How to Build an electronic Blind assistance device
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
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Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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