This smart stick can help blind people walk on the street safely without any help.
Flagship Stores Smart Stick for Blind Peoples , smart stick
Smart Blind Stick by Arduino UNO - My Projects - Iotronics - IoT
Smart Blind Stick by Arduino UNO - My Projects - Iotronics - IoT
Smart Blind Stick by Arduino UNO - My Projects - Iotronics - IoT