The BlueSMiRF Silver is a Bluetooth wireless serial link 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. These modems work as a serial (RX/TX) pipe. Any serial stream from 2400 bps to 115200 bps can be passed seamlessly from your computer to your target.
The modem can be powered from 3.3 V to 6 V for easy battery attachment. All signal pins are 3 V to 6 V tolerant. No level shifting is required.
For more information and resources to help you use the BlueSMiRF Silver, see the guide on SparkFunâs site. The RN-42 Bluetooth module datasheet and the Roving Networks Blueooth product userâs guide can be found under the Resources tab.
Warning: 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.
This unit does not include any additional hardware or connectors. The 0.1â³-spaced holes work well with Pololu's breakaway male header pins.
Note: SparkFun calls this product the âBluetooth Modem â BlueSMiRF Silverâ SKU: WRL-12577.
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