Wireless BT Module, this Bluetooth module allows you to quickly add Bluetooth functionality to your project, enabling control of devices such as switches and LEDs using Android phones. Features: - Bluetooth UART RS232 serial converter module for easy transfer of UART data - Supports Bluetooth connection via AT commands, baud rate setting, password configuration, and parameter saving - Enhanced Data Rate (EDR) compliant with 2Mbps and 3Mbps modulation modes per V2.0 + EDR specification - Full-speed Bluetooth operation with support for full Piconet and Scatternet - On-board 3.3V regulator chip, ROHS compliant, compact design Specifications: - Compatible with various systems including: * MCU, ARM, or DSP systems * SOC systems * Personal Digital Assistants (PDA) * Computer accessories * Other Bluetooth-enabled systems - UART interface with configurable baud rate - Supports on-board 8Mbit external flash memory - Supports 802.11 coexistence Hardware: - CSR solution with Bluetooth V2.0 protocol - Supports AT command interface - Supports both Master and Slave modes, configurable via AT commands - Baud rate range: 1200 to 115200 bps - Power supply: 3.3V DC - Core module size: Approx. 27 x 12.8 x 2.35mm (1.06 x 0.50 x 0.09in) - Overall module size: Approx. 44.7 x 15.7 x 3.7mm (1.76 x 0.62 x 0.15in) Package Includes: 1 x Wireless Bluetooth Module