https://devzone.nordicsemi.com/f/nordic-q-a/34191/problem-using-i2c-in-unblocked-modeHi, I am using nrf SDK version 12.2.0 The following code fails to produce event for twi transfer complete const nrf_drv_twi_config_t config = { .scl = I2C2_SCL_PIN, .sda = I2C2_SDA_PIN, .frequency = NRF_TWI_FREQ_100K, .interrupt_priority = APP_IRQ_PRIORITY_HIGHen-USTelligent Community 13Tue, 12 Jun 2018 20:15:53 GMThttps://devzone.nordicsemi.com/thread/135809?ContentTypeID=1Tue, 12 Jun 2018 20:15:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dd8c072b-e142-469f-b7a9-28dcfd900dacPMichael<p>It was a simple mistake. It works</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/131880?ContentTypeID=1Mon, 14 May 2018 12:54:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fb63ff5f-769f-4bbe-b3c7-51cebc60765dVidar Berg<p>Hi,</p> <p>Have you implemented this in the twi_sensor example, or have you implemented this code in a project that uses the Softdevice? Also, have you verified that nrf_drv_twi_init() returns NRF_SUCCESS?</p><div style="clear:both;"></div>