（Low power BLE4.0 Bluetooth module）
BL12 is a bluetooth serial port transparent transmission module to achieve transparent transmission between Bluetooth interface data and serial port (UART) data. It is compatible with BLE4.2 standard protocol and supports single mode BLE. Identify the virtual serial port device on the PC or mobile device after bluetooth connection. Provides communication Settings in slave mode, including bluetooth information, vehicle information and other parameters. Serial port, with the highest baud rate of 1Mbps, provides AT instruction configuration and supports MODEM contact signals.
• Support serial AT command and Bluetooth transmission configuration
• Supports Windows/Linux/Android/iOS system, such as bluetooth host connection
• Provides universal GPIO and synchronous GPIO functions and supports bluetooth control
• Supports 12 bit ADC acquisition and bluetooth reading
• Power off sleep current 0.3uA
• Standard Bluetooth BLE4.2 is supported
• Support 3.3V and 2.5V operating voltage
• Asynchronous serial port up to 1Mbps baud rate
• Serial port supports 5, 6, 7, or 8 data bits and 1 or 2 stop bits
• Serial port supports parity, even, none, blank 0, and flag 1
• Serial port supports MODEM contact signals RTS, DTR, DCD, RI, DSR, and CTS
