The RN-42 Bluetooth Module provides a reliable method for creating a wireless serial communication interface between two devices such as a microcontroller, PC, cell phone, or another module. This module can pair up with devices supporting Bluetooth SPP (Serial Port Profile) to establish a serial interface. The RN-42 Bluetooth Module is breadboard-friendly and is compatible with all 5 V and 3.3 V microcontroller platforms. Features: Fully qualified Bluetooth 2.1/2.0/1.2/1.1 module provides compatibility with many devices Low power consumption for long-lasting battery-powered projects Auto-connect/discovery/pairing modes make connecting to other modules easy LED indicators provide visual status of connection/mode Voltage jumper selects for use with 5 V and 3.3 V microcontrollers Application Ideas: Remote control a robot via PC, cell phone, or another microcontroller Measurement and monitoring systems Industrial sensors and controls Cable replacement (wireless serial interface) Notes: This device supports Bluetooth Serial Port Profile (SPP). When connecting to another device please be sure your device supports SPP as well. *Operating throughput and range may vary depending on environmental circumstances and RF interference. Please note that this product is not backwards compatible with the retired Easy Bluetooth module. Details: 2 x 7 dual row male header with 0.1″ spacing Jumper selectable default baud rates: 9.6 or 115.2 Kbps Command-configurable baud rate from 1.2 to 921 Kbps Range: ~ 35 – 50 feet line of sight indoors* Voltage requirements: 5.0 VDC or 3.3 VDC Current requirements: ~5 mA sleep; ~15 mA idle; ~20 mA transmit; ~50 mA max Communication: 5 V/3.3 V asynchronous serial interface with RTS/CTS flow control from 1.2 – 921 Kbps Dimensions: 2.33” x 1.16” x 0.45” in (59.18 x 29.46 x 11.43 mm) Operating temp range: -40 to +185 °F (-40 to +85 °C) PCB assembled, tested, and completed in Rocklin, California
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