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Description: The BlueSMiRF Silver is the latest Bluetooth wireless serial cable replacement from SparkFun Electronics! This version of the popular BlueSMiRF uses the RN-42 module which has a bit less range than the RN-41 module used in the BlueSMiRF Gold. These modems work as a serial (RX/TX) pipe. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target.

The remote unit can be powered from 3.3V up to 6V for easy battery attachment. All signal pins on the remote unit are 3V-6V tolerant. No level shifting is required. Do not attach this device directly to a serial port. You will need an RS232 to TTL converter circuit if you need to attach this to a computer.

Unit comes without a connector. Please see related male and female pins below.

Specifications:

  • v6.15 Firmware
  • FCC Approved Class 2 Bluetooth Radio Modem
  • Extremely small radio - 0.15x0.6x1.9"
  • Very robust link both in integrity and transmission distance (18m)
  • Hardy frequency hopping scheme - operates in harsh RF environments like WiFi, 802.11g, and Zigbee
  • Encrypted connection
  • Frequency: 2.4~2.524 GHz
  • Operating Voltage: 3.3V-6V
  • Serial communications: 2400-115200bps
  • Operating Temperature: -40 ~ +70C
  • Built-in antenna

Dimensions: 45x16.6x3.9mm

Documents:

This is a single unit only. We recommend the purchase a USB dongle to interface to a computer if you do not already have access to a computer with Bluetooth connectivity.

Comments 6 comments

  • We recommend the purchase a USB dongle to interface to a computer

    Should read:

    We recommend the purchase of a USB dongle to interface to a computer

  • Hi, I have a problem. I am working with two blueSmirf Silver and I am connecting one of them to an Arduino uno, and the other one to a Teensy. My problem is that I cannot connect those boards between them using the Bluetooth BlueSmirf. I dont know whats happening ! Please I need some help to solve this problem or some page where I can read something about that. I tried to connect each one to my PC and it works. But doesnt work between them.

    Thanks

  • Why is this so expensive? And why does the Bluefruit cost so much less?

  • Hey there, I bought a BlueSMiRF Silver and carefully wired it up - but I’m not getting any status LEDs to light up. Is there a particular trick I need to know - or is it possible I got a defective module?

  • Does BlueSMiRF Silver work with Arduino pro minis? The Bluetooth Mate Silver can be directly plugged into an Arduino mini, but those are out of stock apparently.

    • Yup! The only difference is you’ll need to use some jumper wires to connect them. The BlueSMiRF doesn’t have the exact same pinout as the Pro Mini.


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