HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor WS2812 8 Bit RGB LED (round) IoT Remote Switch: Pair with

IoT Remote Switch: Pair with an ESP8266/ESP32 and Blynk or MQTT to control any appliance from your smartphone anywhere in the world

reduces vibration-induced signal degradation

robust enough for overhead water tanks and industrial sumps

This approach allows flexibility for users who may already have a Pi 4 or prefer to source it independently

8 Digital Output Channels: High-side switches rated at 24V/0

HC-SR501 PIR Sensor (Passive Infrared Sensor) + IR Proximity Sensor WS2812 8 Bit RGB LED (round) IoT Remote Switch: Pair withHC SR501 PIR Sensor + IR Proximity Sensor Combo Build smarter motion detection and obstacle avoidance systems with this essential sensor combo from The Engineer Store, Bengaluru. The HC SR501 PIR sensor detects human body infrared radiation for security and automation projects, while the IR proximity sensor enables precise short range object detection. Together, they form the backbone of countless robotics, IoT, and home automation applications. Fast