Pullup of RX pin of UARTe of nRF52840https://devzone.nordicsemi.com/f/nordic-q-a/88903/pullup-of-rx-pin-of-uarte-of-nrf52840Hi, My customer use nRF52840 with nRF5 SDK 15.0.0. They have come up against the difficulty that uart RX pin instability. I have searched the DevZone and it&#39;s advised to have a pullup resistor on the RX pin. What I want to know is, can I use internalen-USTelligent Community 13Thu, 16 Jun 2022 12:20:50 GMTRE: Pullup of RX pin of UARTe of nRF52840https://devzone.nordicsemi.com/thread/372806?ContentTypeID=1Thu, 16 Jun 2022 12:20:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4881b59c-608d-4bc3-9df7-000004014b02Priyanka<p>Hi Helen,</p> <p>Yes you can use the modifications for the nRF5240 and SDK 15.0.0 as well.</p> <p>Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>