can we use two i2c at the same with different slaveshttps://devzone.nordicsemi.com/f/nordic-q-a/83421/can-we-use-two-i2c-at-the-same-with-different-slavesHi sir We&#39;re now working with the nrf52840 DK board, and we want to use two i2c at the same time, but I&#39;m having trouble with one i2c working properly, which means twi1 aren&#39;t working. twi0 is working properly, but i didn&#39;t get why it is working twi1en-USTelligent Community 13Fri, 07 Jan 2022 12:09:44 GMTRE: can we use two i2c at the same with different slaveshttps://devzone.nordicsemi.com/thread/346694?ContentTypeID=1Fri, 07 Jan 2022 12:09:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9cb17be6-93fe-4516-b2fb-a3dc677f43f4Vidar Berg<p>Hi,</p> <p>I notice you are assigning SCL to pin 10 twi_extender_config1. As shown by the silkscreen on the backside of the DK, this pin is not connected to the pin header by default, but instead connected to the NFC antenna. Please refer to &quot;<span><a title="NFC antenna interface" href="https://infocenter.nordicsemi.com/topic/ug_nrf52840_dk/UG/dk/hw_nfc_if.html?cp=4_0_4_7_10">NFC antenna interface</a></span>&quot; for more details.&nbsp;</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>