GPIO

GPIO

GPIO Resources

Forum discussion on Jetson TX2 GPIO number mapping
JetsonHacks Jetson TX2 J21 Pinout
GPIO sysfs
The following table is a summary of available GPIO pins for the Jetson TX2. Check out the Hardware Hello World lab for an example of how to output control to one of the pins.

GPIO Quiz

SOLUTION:

They can be inputs or outputs
They can be accessed in user space using the sysfs
They can be used to control external power supplies and lights
When controlling the "value" of a GPIO output, a **1** means power is applied and a **0** means voltage output is 0V