The other is a small remote rf transmitter circuit which will be used to locate the main circuit.
Smart blind stick using arduino circuit diagram.
Using this arduino smart cane a visually impaired person can walk without anyone s help.
The remote switch is simply an rf transmitter circuit with a switch connected to the d3 pin of the encoder ic.
The main board s circuit diagram is shown below.
It is pretty easy does not have complicated wiring.
One is the main circuit which will be mounted on the blind man s stick.
Ultrasonic gnd to arduino gnd.
Circuit diagram picture courtesy.
That was the simplest way to make a smart stick for blind people using arduino.
Prototype of arduino based smart blind stick there are two circuits in the project remote switch and the smart stick.
The same circuit prototype can be made using a breadboard or zero pcb.
A buzzer is connected between d9 pin of arduino and gnd pin.
Follow all of the steps mentioned above and after successful testing of the project look for a disable person and offer him this project to make his her life easier.
Here i will explain by parts.
The circuit diagram and pcb design are given below.
This arduino smart blind stick project requires two separate circuits.
I used an ultrasonic sensor with an arduino for detecting the obstacles.
Ultrasonic vcc to arduino 5v.
Ultrasonic blind walking stick using arduino circuit diagram.
The other is a small remote rf transmitter circuit which will be used to locate the main circuit.
The cane can automatically detect an obstacle and give the user a feedback response by vibrating the walking stick and giving a warning sound.
The whole project has been designed on eagle.
Blind walking stick arduino ultrasonic sensor.
This arduino smart blind stick project requires two separate circuits.
Smart blind stick project using arduino and sensors.
Now it is time for wiring the arduino.
You can see the wiring diagram from the above image.
Using this smart blind stick a visually impaired person can walk without anyone s help.
To design blind walking stick using arduino ultrasonic sensor hc sr04 make the following connections as shown in the connection diagram below.