How to Change gpio output level from 1.8v to 3.3v in nrf9160-dk?

[Y0g1]

Hi

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 it possible beacase i am not  able to find out the solution yet? the resouces also doesn't contains proper procedure for the same.

[Håkon Alseth]

Hi,

 

The nRF9160 has a dedicated pin input for GPIO voltage, VDD_GPIO:

https://infocenter.nordicsemi.com/topic/ps_nrf9160/recommended_op_conditions.html?cp=2_0_0_10_0#vdd_gpio_considerations

 

On our nRF9160-DK, there's a DIP-switch near the power switch, where you can select 1.8V or 3V for VDD_GPIO.

 

Kind regards,

Håkon