You can turn GPIO outputs on/off quickly when interacting with Media or Event States using the Pause command (for example, to flash buttons). When using GPIO output(s) the GPIO pin in use must be configured as an output pin. To do this go to Presentation Settings > Interactive > Connectors > GPIO Configuration and select Output for the GPIO pin connected to the LED. Media State Create an Interactive presentation in BrightAuthor:connected. Select the media state where you want the GPIO pulse to occur. In State Properties navigate to Advanced. Use the "+" to add three Entry Commands or three Exit Commands (depending on when you want the pulse to be triggered). Set the first Command to GPIO and the Parameters to On. Enter the GPIO pin that's connected to the LED. Set the second Command to Other and the Parameters to Pause. Enter a short length of time (in milliseconds) to pause. Set the third Command to GPIO and the Parameters to Off. Select the GPIO pin used in step 5.
 Event State Create an Interactive presentation in BrightAuthor:connected. Select the media state where you want the GPIO pulse to occur. In Event Properties select the Advanced tab. Use Add Command to add three commands Set the first Command to GPIO and the Parameters to On. Enter the GPIO pin that's connected to the LED. Set the second Command to Other and the Parameters to Pause. Enter a short length of time (in milliseconds) to pause. Set the third Command to GPIO and the Parameters to Off. Select the GPIO pin used in step 5.
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