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This Serial Bluetooth brick is an easy to use module compatible with existing Stem Basic Shield, designed for transparent wireless serial connection setup. Serial port Bluetooth module is fully qualified Bluetooth V2.0+EDR(Enhanced Data Rate) 3Mbps Modulation with complete 2.4GHz radio transceiver and baseband. It uses CSR Bluecore 04-External single chip Bluetooth system with CMOS technology and with AFH(Adaptive Frequency Hopping Feature). Hope it will simplify your overall design/development cycle.
Connect the + pin to 5v and - pin to GND, TX RX pin connect to the seiral pins.
Schematic for this brick. Datasheet of HC-06.
This birck work with Arduino Sensor Shield and Arduino Mega Sensor Shield via 3Pin Connect Cables.