I'm looking at using the RN41 in a project. This schematic for Sparkfun's Bluetooth board is easy to understand. One thing though, if I were using this with a 3.3 volt pro mini, could I do away with all the components in the box marked level shifting and just connect TX_5 to TX, RX_5 to RX, and CTS …

Minimum schematic for RN41 bluetooth module

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