This Ultrasonic scanner is made by Devantech that has a longer range than the SRF04.
This great sonar ranger from Devantech offers an amazing wide range from 3cm to 6m. Unlike the SRF04, the SRF08 is interfaced using the IIC/I2C bus. There is an additional photocell sensor on the front of this detector.
An Autonomous Mobile Robot (AMR) that offers the flexibility of a viper in both development and design. Capable of creating its own path in both known and unknown areas. SLAM and other sensors allow for accurate obstacle avoidance!
Ready to ship prebuilt all-terrain enclosed platform! This is a heavy-duty robotic platform with IG52 136 RPM motors, an enclosed chassis, 80/20 1" extruded aluminum rails, and RC control system.