HCSR04 Ultrasonic Sensor

HCSR04 Ultrasonic Sensor. Sold individually from Fix It Today's Singapore stock, ready for same-week collection or courier. Quantity shown is what is on the shelf; we restock from our supplier when it runs out. Popular with makers, schools and hobby projects using Arduino, micro:bit and ESP boards. Photo: Suyash Dwivedi, CC BY-SA 4.0, via Wikimedia Commons (File:HC SR04 Ultrasonic Module.jpg)