# Smart Port Sensors - [GPS Sensor](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/vex-gps-sensor.md) - [Rotation Sensor](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/rotation-sensor.md) - [Vision Sensor](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/vision-sensor.md): The Vision Sensor tells you where colored objects are located. - [Optical Sensor](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/optical-sensor.md): The VEX V5 Optical Sensor is used to determine the color of an object and has secondary function to determine the relative motion of an object - [Distance Sensor](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/distance.md): The VEX V5 Distance Sensor measures the distance between the sensor and an object using a small laser. - [Inertial Sensor (IMU)](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/imu.md): The Inertial Sensor is a combination of an Accelerometer and Gyroscope. - [3-Wire Expander](https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors/3-wire-expander.md): Use up to eight more 3-wire ports with the V5 3-Wire Expander. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://wiki.purduesigbots.com/vex-electronics/vex-sensors/smart-port-sensors.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.