I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller ... Here is ...

Labeling bottles manually takes a good chunk of time and effort. Addressing this, the YouTube channel Easy Home Made Projects ...

He used a stepper motor to rotate the object being scanned, and an Arduino ... The Sharp sensor is cheap and decent, but you’re obviously not going to get amazing accuracy. Still, using the ...

In the real world, missile systems use advanced radars, infrared sensors ... targeting data for the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop a servo.