The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the Arduino Nano, Ultrasonic sensors, Buzzer, and Led ...

An Arduino is a microcontroller ... You'll need the sensor module R305 to read your fingerprint and a list of other connectors to link the circuit to your lock. It essentially creates a ...

It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter, OLED display ...