This debug board gives you full access to all the goodness in the Polystack connector. Its super useful for snooping on communications to the FC, test a new expansion or getting access to the SWD lines of the microcontroller (the first two GPIO).
- Retail price: $30
- 2mm stacking height
- Breaks out SWD lines (GPIO1 and GPIO2)
- Remaining lines have pin headers but are passed through
- 4 (+ 1 extra) ~2mm Spacer
- Pin headers