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How did I make it?
To begin this project I researched what downfalls the traditional white cane, which is created for people who are blind, has. From that I researched sensors that would help solve the most major problems present. The major problem I found that existed are that no objects above ground level are detected and so by adding additional sensors to the cane, this problem is mitigated. I then tested my idea on a solderless breadboard before creating a printed circuit board. The final product uses printed circuits boards and attaches easily to an existing white cane.
SV1, SV2 & SV3 are the ultrasonic sensors. They each have four pins (ground, power, send and receive). Both of the send and receive pins are connected to a digital pin on the Arduino. The code then reads the values on those pins to determine if the buzzer motor should be turned on and if so which motor should be enabled. On the right, there is the vibration motor and the circuitry needed to run those motors from the Arduino.
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