Temperature & Humidity Sensor (DHT22 type)
Digital temperature and relative humidity sensor for weather and room monitoring.
₹350
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Ultrasonic Distance Sensor (HC-SR04 type)
Non-contact distance measurement, about 2 cm to 4 m.
₹120₹15020% offper piece
Indicative price. Final price, GST and delivery are confirmed on WhatsApp.
- Range about 2 cm – 4 m
- 5 V, 4-pin interface
- Works with Arduino and ESP32
Description
An ultrasonic sensor sends a short sound pulse and times the echo to measure distance. It is the most common sensor for obstacle detection, level sensing and robotics projects.
Uses
- Obstacle-avoiding robots
- Tank level measurement
- Parking and proximity alarms
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