The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind ...

Electrical Capacitance Tomography (ECT) effectively addresses the limitations of other types of proximity sensors in object recognition. This study introduces a flexible ECT sensor, examines the ...

The principle of LiDAR is to point the laser at a surface, then sending out a short laser pulse and measuring the time it takes the light to return to its sensor, calculating the distance using ...

The SparkFun Ultrasonic Distance Sensor - TCT40 (sen-24805) a user-friendly upgrade to the popular HC-SR04 sensor, offers non-contact distance measurement from 2cm to 400cm with an accuracy of 3mm.