https://devzone.nordicsemi.com/f/nordic-q-a/854/could-i-interface-the-nrf51822-with-an-arduino-mega-boardHello, I would like to know if I could interface the nRF51822 with an Arduino Mega Board. Could you give me some advices to do that? Thanks for your helpen-USTelligent Community 13Thu, 07 Nov 2013 21:17:58 GMThttps://devzone.nordicsemi.com/thread/4191?ContentTypeID=1Thu, 07 Nov 2013 21:17:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6512ec73-0cee-4543-88ed-ba024dae47a5cocoa<p>Yes, you can, but pay attention to voltage levels. Mega board uses 5V logic levels, nRF51822 uses 3.3 V.</p> <p>See <a href="http://www.ti.com/product/txb0104">www.ti.com/.../txb0104</a> or <a href="http://www.st.com/web/catalog/sense_power/FM1968/CL1591">www.st.com/.../CL1591</a> for level translators.</p> <p>-c</p><div style="clear:both;"></div>