https://devzone.nordicsemi.com/f/nordic-q-a/93219/making-another-i2c-busHow to make two digital pins into I2C pins SDA and SCLen-USTelligent Community 13Tue, 25 Oct 2022 13:46:09 GMThttps://devzone.nordicsemi.com/thread/392418?ContentTypeID=1Tue, 25 Oct 2022 13:46:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4ddf0d29-faf8-4d41-8913-e14e483adc64Kenneth<p>Hello,</p> <p>If you are using the nRF Connect SDK I suggest to check out:<br /><a href="https://academy.nordicsemi.com/lessons/lesson-6-serial-com-i2c/">https://academy.nordicsemi.com/lessons/lesson-6-serial-com-i2c/</a></p> <p>On a low level what&nbsp;occurs is that the&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ps_nrf52840/twim.html#register.PSEL.SCL">PSEL registers</a>&nbsp;are configured to the&nbsp;pins for the TWI (I2C) instance used, and&nbsp;then the pins will be used after&nbsp;<a href="https://infocenter.nordicsemi.com/topic/ps_nrf52840/twim.html#register.ENABLE">ENABLE register</a>.&nbsp;</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>