https://devzone.nordicsemi.com/f/nordic-q-a/49119/about-nrf5232-1-8v-and-3-3v-power-supplyWhat is the difference between nrf5232, 1.8V and 3.3V power supplies? What should watch out for when replacing a 3.3V power supply with a 1.8V power supply?en-USTelligent Community 13Fri, 28 Jun 2019 09:58:38 GMThttps://devzone.nordicsemi.com/thread/195317?ContentTypeID=1Fri, 28 Jun 2019 09:58:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ca757db5-fda5-4b41-9048-9f6686d954c4awneil<p>You mean nRF52<span style="text-decoration:underline;"><strong>8</strong></span>32 ?</p> <p>You would have to study the <strong>Product Specification</strong> - that details the electrical characteristics, and will show any variations with supply voltage ...</p><div style="clear:both;"></div>