DESCRIPTION

• Wireless serial bluetooth port.
• With free power adapter bottom board come with well power regulator.
  User can connect 3.3 to 5VDC and connect TX and RX to your control IO  (general 3.3 to 5V digital input output of MCU or IO is ok, or  general TLL IO)
• Easy to connect this module with PC, just search and key "1234" passcode.
• With white SMD LED on the adapter board, can see the Bluetooth connection  status.