Convert doc of samples/boards to CMake. Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
Add a sample demonstrating sound output using PWM to a piezo buzzer connected to the external edge connector port P0. Change-Id: I8c0902fd935f2eb3b9979476a7540e7a0216ca63 Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>