Sensor Modules

Sensor modules for Arduino, ESP32, IoT and robotics projects. The range covers distance, motion, temperature and humidity, air quality, light, flame and orientation sensing, for academic labs and real-world builds.
For distance measuring, start with the HC-SR04 ultrasonic sensor module; our HC-SR04 working guide explains how it works. For motion and obstacle detection, see the HC-SR501 PIR motion sensor, the HW-201 IR obstacle avoidance sensor and the impact collision switch module. For environment monitoring, choose the DHT11 or DHT22 (AM2302) temperature and humidity sensor, or the MQ-135 air quality sensor. Light and fire-alarm projects can use the LDR light sensor module or the 5V flame detection sensor, and the GY-511 LSM303DLHC e-compass combines a 3-axis accelerometer and magnetometer.
Connect them to a board from our development boards range, and see our final year electronics projects under ₹2000 for project ideas.