The LM393 voltage comparator compares the voltage from the photodiode against a reference voltage set by the potentiometer.

Mounted on the front or sides of wheeled robots to prevent collisions.

What or platform are you planning to use? (e.g., ESP32, Raspberry Pi, or a specific PLC)

The FC-51 is a low-cost, highly efficient infrared (IR) obstacle avoidance sensor widely used in robotics, automation, and DIY electronics. It features an onboard IR transmitter and receiver pair that detects objects within a specific range.

The FC-51 IR sensor datasheet provides detailed information on the sensor's specifications, characteristics, and operating conditions. Here's a breakdown of the key parameters: