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How to change the voltage level of GPIO on Concept Board | Telit Cinterion IoT Developer Community

October 20, 2015 - 10:33am, 3282 views

1. I have a device with +3.3V level, but the GPIO of the Concept Board is +5V level, does any hardware configrations can change the voltage level ?

2. there is no silk screen on the Concept Board, so it's difficult to find the components location, any document for that ?