5 Channel Tracking Sensor Module
4 Channel Infrared Obstacle Sensor for Arduino
Sharp GP2Y0A21YK0F Analog Distance Sensor 10-80cm w/ cable The GP2Y0A21 Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other project. With a detection range of 10cm to 80cm and an analog voltage indicating the distance, this sensor is very easy to use.
IR Break Beam Sensor - 5mm LEDs Infrared (IR) break-beam sensors are a simple way to detect motion.
TFMini - Micro LiDAR Module The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 centimeters and as far as 12 meters!
SparkFun Distance Sensor Breakout - RFD77402 (Qwiic)The SparkFun Distance Sensor Breakout utilizes the RFD77402 3D ToF (Time of Flight) sensor module from Simblee to give you the most accurate measurements at short range.
Gravity: Digital Adjustable Infrared Proximity Sensor for Arduino (0~200 cm) This is an Arduino digital infrared distance sensor.
Photo Interrupter - GP1A57HRJ00F This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other.
Infrared Proximity Sensor - Obstacle-Avoiding Infrared Proximity Sensor, robot obstacle-avoiding module