I normally use three sensors, one facing directly forward, and two to the sides, between 10 and 45 degrees out. Because you are moving, the sensors read a large area. Report comment ...

Yogy, an Arduino-based obstacle avoidance robot from Instructables user Jaidyn Edwards (chickenparmi) might look like an empty yogurt container with eyes…but that’s only because it is. We’ve ...

The whole thing also comes with obstacle avoidance using ultrasonic sensors on all sides which are good if you have a lot of furniture in the house. You can also choose to go manual-mode and drive ...

The kit includes 24 different modules, such as an infrared receiver for using a remote control, Bluetooth for connecting via a smartphone or tablet, line tracking, and obstacle avoidance.

It has a distance sensor to calculate the distance to walls and objects, an accelerometer, light-sensing phototransistors to seek out light or dark, edge detection sensors, infrared transmitters ...