PIR, IR & Optical Sensors

Infrared reflective sensor that detects nearby objects and outputs a clean digital signal. Adjustable range 2–30 cm – used in obstacle-avoiding robots, line followers, counters and touch-free

IR Obstacle Avoidance Sensor Module

Passive infrared (PIR) motion sensor that detects people up to about 7 m away. Two trimpots set range and on-time – use it for automatic lights, alarms and presence detection.

HC-SR501 PIR Motion Sensor Module

Buy electronic components online in India at CircuitDukaan — Arduino, Raspberry Pi, ESP32, sensors, modules, motors, batteries and tools. GST invoice and fast shipping across India.

Buy electronic components online in India.

CircuitDukaan is an online store for electronic components in India — Arduino, Raspberry Pi, ESP32, sensors, modules, motors, batteries and maker tools.

Pir Ir Optical Sensors Products

Filters

Sort by