Smart Blind Stick using Arduino Circuit Diagram. The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

Circuit Diagram for Sound Sensor Module. The schematic diagram for the Sound Sensor module is shown below. ... Sound Sensor with Arduino UNO – Connection Diagram. Now that we have a complete ...

Arduino based Fire Alarm – Circuit and Working Fig. 2 presents the circuit diagram for the fire alarm using a flame sensor and Arduino Nano. The system is powered by a step-down transformer (X1), a ...