Introduction: Blind's Aid

Helps blind walk without stick. Very cheap and effective :-) :-).

Installed in cap to keep your hand free!!!

Step 1: Things Required

  1. Arduino UNO
  2. Ultrasonic Module HC-SR-04
  3. Jump Wires (F to M)
  4. Jump Wires (M to M)
  5. Connecting Wire ( to connect Arduino to Computer to Program it)
  6. Buzzer
  7. A Cap
  8. Breadboard ( Not much needed)

Step 2: Connections

  • Connect the "Trig" pin of sensor to pin 9 of Arduino
  • Connect the "Echo" pin of sensor to pin 8 of Arduino
  • Power the sensor
  • Connect the "-ive" of buzzer to "Gnd" of Arduino
  • Connect the "+ive" of the buzzer to pin 10 of Arduino

Step 3: Programming Code

Write a code by yourself if you wish so or i have the code.It is below:-

Step 4: Finishing Touch

Now attach this to cap such that the sensor is in the front side of the cap.

Circuits Contest 2016

Participated in the
Circuits Contest 2016