XBee Explorer Regulated with 3v3 to 5V Converter, from rhydoLABZ, takes care of the 3.3V regulation, 3V3 <-> 5V level conversion, signal conditioning, and basic activity indicators (Power, RSSI and DIN/DOUT activity LEDs). It translates the 5V signals to 3.3V and vice versa, so that you c..