# @extends ## Projects #projects * [Getting Started](/getting-started) * [Try](/getting-started/try) * [Use](/getting-started/use) * [Coding](/coding) * [Autonomous Parking](/coding/autonomous-parking) * [Object Detection](/coding/object-detection) * [Line Following](/coding/line-following) * [Design Engineering](/design-engineering) * [Make It Move Without Wheels](/design-engineering/make-it-move) * [Make It Smarter and Faster](/design-engineering/make-it-faster) * [Make a System that Communicates](/design-engineering/make-it-communicate) * [Maker](/maker) * [Make a Sound Machine](/maker/sound-machine) * [Examples](/examples) * [Make it move](/lessons/make-it-move) * [Line detection](/lessons/line-detection) * [Sound of Color](/maker/sound-of-color) * [Security Gadget](/maker/security-gadget) * [Intruder detector](/maker/intruder-detector) * [Puppet](/maker/puppet) * [Three Point Turn 1](/coding/three-point-turn-1) * [Three Point Turn 2](/coding/three-point-turn-2) * [Three Point Turn 3](/coding/three-point-turn-3) * [Reversing the robot 1](/coding/reversing-the-robot-1) * [Reversing the robot 2](/coding/reversing-the-robot-2) * [Reversing the robot 3](/coding/reversing-the-robot-3) * [Light the way 1](/coding/light-the-way-1) * [Light the way 2](/coding/light-the-way-2) * [Light the way 3](/coding/light-the-way-3) * [Traffic Lights 1](/coding/traffic-lights-1) * [Traffic Lights 2](/coding/traffic-lights-2) * [Traffic Lights 3](/coding/traffic-lights-3) * [Reverse Beeper 1](/coding/reverse-beeper-1) * [Reverse Beeper 2](/coding/reverse-beeper-2) * [Reverse Beeper 3](/coding/reverse-beeper-3) * [Ignition 1](/coding/ignition-1) * [Ignition 2](/coding/ignition-2) * [Ignition 3](/coding/ignition-3) * [Cruise Control 1](/coding/cruise-control-1) * [Cruise Control 2](/coding/cruise-control-2) * [Cruise Control 3](/coding/cruise-control-3) * [Roaming 1](/coding/roaming-1) * [Roaming 2](/coding/roaming-2) ## Reference #reference * [Reference](/reference) * [Brick](/reference/brick) * [show string](/reference/brick/show-string) * [show number](/reference/brick/show-number) * [show value](/reference/brick/show-value) * [show mood](/reference/brick/show-mood) * [show image](/reference/brick/show-image) * [clear screen](/reference/brick/clear-screen) * [on event](/reference/brick/button/on-event) * [is pressed](/reference/brick/button/is-pressed) * [was pressed](/reference/brick/button/was-pressed) * [pause until](/reference/brick/button/pause-until) * [set light](/reference/brick/set-status-light) * [battery level](/reference/brick/battery-level) * [Motors](/reference/motors) * [run](/reference/motors/motor/run) * [stop](/reference/motors/motor/stop) * [reset](/reference/motors/motor/reset) * [set brake](/reference/motors/motor/set-brake) * [set inverted](/reference/motors/motor/set-inverted) * [set regulated](/reference/motors/motor/set-regulated) * [tank](/reference/motors/synced/tank) * [steer](/reference/motors/synced/steer) * [tacho](/reference/motors/motor/tacho) * [angle](/reference/motors/motor/angle) * [speed](/reference/motors/motor/speed) * [clear counts](/reference/motors/motor/clear-counts) * [stop all motors](/reference/motors/stop-all) * [Sensors](/reference/sensors) * [Touch](/reference/sensors/touch-sensor) * [on event](/reference/sensors/touch-sensor/on-event) * [pause until](/reference/sensors/touch-sensor/pause-until) * [is pressed](/reference/sensors/touch-sensor/is-pressed) * [was pressed](/reference/sensors/touch-sensor/was-pressed) * [Gyro](/reference/sensors/gyro) * [angle](/reference/sensors/gyro/angle) * [rate](/reference/sensors/gyro/rate) * [reset](/reference/sensors/gyro/reset) * [Ultrasonic](/reference/sensors/ultrasonic) * [on event](/reference/sensors/ultrasonic/on-event) * [distance](reference/sensors/ultrasonic/distance) * [pause until](reference/sensors/ultrasonic/pause-until) * [Infrared](/reference/sensors/infrared) * [on event](/reference/sensors/infrared/on-event) * [distance](reference/sensors/infrared/proximity) * [pause until](reference/sensors/infrared/pause-until) * [Infrared beacon](/reference/sensors/beacon) * [on event](/reference/sensors/beacon/on-event) * [pause until](/reference/sensors/beacon/pause-until) * [is pressed](/reference/sensors/beacon/is-pressed) * [was pressed](/reference/sensors/beacon/was-pressed) * [set remote channel](/reference/sensors/beacon/set-remote-channel) * [Color](/reference/sensors/color-sensor) * [on color detected](/reference/sensors/color-sensor/on-color-detected) * [pause for color](/reference/sensors/color-sensor/pause-for-color) * [on light changed](/reference/sensors/color-sensor/on-light-changed) * [pause for light](/reference/sensors/color-sensor/pause-for-light) * [color](/reference/sensors/color-sensor/color) * [light](/reference/sensors/color-sensor/ambient-light) * [Control](/reference/control) * [Timer](/reference/control/timer) * [seconds](/reference/control/timer/seconds) * [millis](/reference/control/timer/millis) * [reset](/reference/control/timer/reset) * [pause until](/reference/control/timer/pause-until)