Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

This project demonstrates an Arduino-based Human Following Robot using IR sensors and an ultrasonic sensor. The robot detects a human presence in front of it and follows smoothly while correcting its ...

Please check the full tutorial for connection and explanation. There are 2 example sketches, Arduino_IR_Serial will report the ADC value of sensor to serial monitor. Arduino_IR_Buzzer will buzz the ...