https://devzone.nordicsemi.com/f/nordic-q-a/69153/how-to-change-gpio-output-level-from-1-8v-to-3-3v-in-nrf9160-dkHi sir we have nrf9160-dk and planning to interface some sensors to it but the issue we are facing is that the gpios are at 1.8v where as we need 3.3v logics to interface sensors can you please help me out with the full step wise procedure to make iten-USTelligent Community 13Mon, 07 Dec 2020 09:21:01 GMThttps://devzone.nordicsemi.com/thread/283477?ContentTypeID=1Mon, 07 Dec 2020 09:21:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2837a73d-14f4-40d3-a154-b3f90b3ae6c4H&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>The nRF9160 has a dedicated pin input for GPIO voltage, VDD_GPIO:</p> <p><a href="https://infocenter.nordicsemi.com/topic/ps_nrf9160/recommended_op_conditions.html?cp=2_0_0_10_0#vdd_gpio_considerations">https://infocenter.nordicsemi.com/topic/ps_nrf9160/recommended_op_conditions.html?cp=2_0_0_10_0#vdd_gpio_considerations</a></p> <p>&nbsp;</p> <p>On our nRF9160-DK, there&#39;s a DIP-switch near the power switch, where you can select 1.8V or 3V for VDD_GPIO.</p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>