Slightly warm (5–10°C above ambient) is normal. If it’s hot to the touch (>50°C), you have a defective module or are running >6V.
The is a low-cost infrared (IR) obstacle avoidance sensor module commonly used in robotics for proximity detection. It operates by emitting an IR signal and measuring the reflection from nearby objects. Technical Specifications
The FC-51 IR sensor has several key features that make it a popular choice among electronics enthusiasts and professionals:
: The most common cause of heat is reversing the VCC and GND pins. Ensure VCC is connected to positive and GND to negative.
The FC-51’s simplicity makes it ideal for non-technical upgrades to your living space.