Block Diagrams
Board Block Diagrams
The block diagrams below show the connectivity to various different chips on the PCB, and also show which GPIOs are available to you. The first diagram shows the pins used for on-board sensors or interfaces. The second diagram shows IOs you can use.
Board Connections
Board IO
Board Overlay
This board overlay can be compared against diagrams above to get an idea of where the IOs are located.