https://devzone.nordicsemi.com/f/nordic-q-a/120765/problem-facing-regarding-i2c-twihello everyone, I am using the nRF52840-QFAA-R7 (48-pin package) along with the nRF52840-DK development board. I have a question regarding I&#178;C communication. Currently, pins 26 and 27 are being used, and the I&#178;C functionality is working. However, sinceen-USTelligent Community 13Wed, 16 Apr 2025 14:41:10 GMThttps://devzone.nordicsemi.com/thread/532045?ContentTypeID=1Wed, 16 Apr 2025 14:41:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:80115f28-b04a-4369-8404-978cb3f2ea09SwRa<p>Hi Nandani,</p> <p>You can use any of the free pins on the nRF52840 for I2C. T<span>he nRF52840 allows flexible pin assignment for peripherals like I²C, which means you&#39;re not limited to specific pins. Jus make sure the pin is not being used. Do refer the pin assignments:&nbsp;<a href="https://docs.nordicsemi.com/bundle/ps_nrf52840/page/pin.html">https://docs.nordicsemi.com/bundle/ps_nrf52840/page/pin.html</a>&nbsp;</span></p> <p><span>Best Regards,</span></p> <p><span>Swathy</span></p><div style="clear:both;"></div>