https://devzone.nordicsemi.com/f/nordic-q-a/21945/error-of-use-twi-and-spi-with-different-instancesHello, I try to declare two instrances of TWI0 and SPI1, and I include the both sdk_config (sdk_config_spi and sdk_config_twi) in the same file, but I always get the error: multiple definition of `SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler&#39; en-USTelligent Community 13Wed, 10 May 2017 07:54:52 GMThttps://devzone.nordicsemi.com/thread/86127?ContentTypeID=1Wed, 10 May 2017 07:54:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a051a9d1-4442-45aa-b689-1ffe6b1f0971acha<p>hello again, i fix the beug by deactivating TWI1 in the sdk_config_twi.h , and deactivate SPI0 in sdk_config_spi.h.</p><div style="clear:both;"></div>