KS103-485 Ultrasonic Distance Sensor Module With 40kHz Transmitter And Receiver Precise 1mm To 3mm Accuracy RS485 Serial Interface Easy Object Distance Reads For DIY Robots And Embedded Projects

Ultrasonic distance sensor module with RS485 and 40kHz TX
✔️ 40kHz TX/RX, RS485 & I2C, single unit, 1-3 mm

This ultrasonic distance sensor module combines a 40kHz transmitter, a receiver, and a control circuit to measure distance by timing echoes. It's ideal for DIY robots, obstacle detection, and embedded projects, with RS485 for robust host communication and an I2C option for easy microcontroller integration.

✅ Range: 1 cm to 800 cm
✅ Accuracy: 1-3 mm
✅ Transmitter frequency: 40 kHz
✅ Interfaces: RS485 and I2C
✅ Supply voltage: 3.0-5.5 V DC
✅ Operating current: 1.6-2.7 mA @5V; sleep 500 uA
✅ Protection: IP50
✅ Operating temp: -30 to 85 C

💡 What is an ultrasonic distance sensor used for in hobby robotics and embedded projects? These handy devices deliver reliable distance readings in real world setups.
- handy for obstacle detection in hobby robotics and automation
- provides real time distance data for navigation and safety
- works with RS485 or I2C for flexible control and data logging
- compact, rugged sensor ideal for embedded projects