Bluetooth 2.0 Module V3 For Arduino

A Bluetooth module with a double-board design for electrostatic protection, 2 DC power inputs, built-in antenna, DIP switch for settings, and LED status indicators.

GNDOfficial table 2 row 1
GND
Type · ground
VCCOfficial table 2 row 2
3.5-8V DC (When there is VCC input, 3V3 port can be used as 3.3V power output)
Type · power
NCOfficial table 2 row 3
Empty Pin
Type · pin
RXDOfficial table 2 row 4
UART Input(TTL Level), connect to MCU TXD
Type · uart
TXDOfficial table 2 row 5
UART Output(TTL Level), connect to MCU RXD

Start wiring

UART

Verify supply voltage and logic levels before powering up.

Module pins: VCC, 3V3, GND, RXD, TXD. Schematik maps them to your board in the app.

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