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Sparkfun SPX-14840 Qwiic Bluetooth - HM-13 SparkFun Ražotājs: Spalding

Kategorija: /SPARKFUN katalogs/Wireless/Bluetooth

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Cena: €30.55
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pasūtot preci 29.03.2020.

Cenā iekļauts PVN 21%

Produkta kods: SPX-14840

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Bluetooth is a great addition to a variety of projects, but the interface to most Bluetooth modules is through a serial UART, which can be a real bummer – serial port availability can be limited and they’re not always super-reliable. The Qwiic Bluetooth aims resolve that issue by providing an I2C interface to the HM-13 Bluetooth module.

This board’s HM-13 Bluetooth module supports both SPP (Serial Port Profile) and BLE (Bluetooth low-energy) Bluetooth profiles via Bluetooth 4.0. The HM-13’s support for BLE means it’s compatible with any smartphone. Or you can connect it to a computer via the old standard – SPP – and use it as a transparent Bluetooth data gateway. You can even use it in dual-mode, connected to a pair of devices simultaneously!

The board also features an ATtiny85, which has custom firmware to translate between between I2C and serial. There are a pair of Qwiic connectors, which allow you to string a variety of sensors up to a single I2C bus. Finally, a green “CON” LED indicates connection status – blinking when disconnected and solid when connected.

Check out our HM-13 Arduino library for help developing Bluetooth app of your own! There are a handful of “Qwiic” examples, which demonstrate how to set up a simple serial passthrough, adjust some of the module settings, and even set it up as an iBeacon.

These boards include a button labeled "PAIR." When the module is connected, it will disconnect and unpair any connected devices. When the module is not connected, the button will reset the module to factory defaults. Those defaults include setting the baud rate to 115200 bps. If you press the button, and the module becomes unresponsive, try power-cycling the system.
Experimental Product: SparkX products are rapidly produced to bring you the most cutting edge technology as it becomes available. These products are tested but come with no guarantees. Live technical support is not available for SparkX products. Head on over to our forum for support or to ask a question.


  • I2C translation for serial-based HM-13 module
  • 2 Qwiic connectors
  • Pre-programmed ATTiny85 translates serial streams
  • Arduino library with full support for AT command set
  • BLE and SPP Bluetooth profile support
  • Built-in antenna
  • v321 firmware
  • 1.0 x 1.0"


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