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 and a piece ...

If you are interested in building your very own mini DIY LiDAR sensor for less than $40, capable of detecting objects in a 360° area, you may be interested in a new Arduino Instructables project ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

LiDAR, also known as Light Detection and Ranging, uses lasers to measure the distance, shape, and orientation of 3D objects. LiDAR is becoming increasingly common, appearing in devices like the iPhone ...