Ultrasonic Module with RGB Light Distance Sensor Compatible HC-SR04 obstacle avoidance sensor for Arduino Smart Car Robot. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an ultrasonic transmitter, a receiver, and a control circuit. There are only 6 pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), RGB, In pin, and GND (Ground). The basic principle of work

Features:

1. Operates on 5V.
2. Multi-color illumination.
3. Uses ultrasonic waves.
4. Light changes based on input.
5. Suitable for diverse projects.
6. Easy to incorporate.

Specifications:

1. Operating Voltage: 3.5V to 5.5V
   Note: Not allowed to exceed 5.5V
2. Resonant Frequency: 40KHz; 4
3. Work Temperature Range: -40 to 100
4. Induction Angle Less than 15 Degrees
5. Interface Support PH2.0mm-4pin and 2.54mm Pin
6. Detection range:2cm-4 M (error within 0.2cm)
7. Dimension: 46mm**21mm*20mm

Package Includes:

1 x 5V Ultrasonic Sensor with RGB Colorful Lights