[ NRF52840 SPI EXAMPLE ] strange data received in spishttps://devzone.nordicsemi.com/f/nordic-q-a/95565/nrf52840-spi-example-strange-data-received-in-spisHi, I tried to run peripheral spi / spis examples on Nrf52840 with sdk 17.1.0 However I had problems with receiving data from master. I expected to get &quot;Nordic&quot; every 200ms, but buffer was fiiled with different data. Buffer data is not totallyen-USTelligent Community 13Wed, 11 Jan 2023 08:52:37 GMTRE: [ NRF52840 SPI EXAMPLE ] strange data received in spishttps://devzone.nordicsemi.com/thread/404238?ContentTypeID=1Wed, 11 Jan 2023 08:52:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cd6a9640-228c-458d-98a6-1c0459f20e4cSusheel Nuguru<p>Hi,</p> <p>Are you testing this both SPIS and SPIM on nRF52840 DK or is it a custom board? If it is custom board, then check if the GPIO pulls are configured correctly on the SPI lines.</p> [quote user=""]And&nbsp;<span style="color:rgba(255, 0, 0, 1);">why is the size of m_rx_buf larger than the size of TEST_STRING?</span>[/quote] <p>probably to receive extra end of line character? It does not harm to have extra space in the receive buffer.</p><div style="clear:both;"></div>