Bluetooth/BLE (H23R1x)


SKU: H23R10 Category:

Bluetooth / BLE V4.0 Dual Mode (BT900)

Stage: Production

13 in stock (can be backordered)


H23R1x is a Bluetooth/BLE module based on Laird BT900 and STM32F0 MCU. You can use this module to control Hexabitz arrays and other hardware from a smartphone or PC/MAC over a Bluetooth connection. You can also setup the module as a wireless bridge and connect two Hexabitz arrays over Bluetooth.

Control Hexabitz modules from a smartphone app using Bluetooth.

Android app to connect to Bluetooth and load cell modules
Bluetooth Weight Scale



  • Laird BT900-SA BTv4.0 dual-mode module:
    • Bluetooth v4.0 – dual mode (Classic Bluetooth and BLE).
    • Programmable TX power 8dBm to -20dBm.
    • RX sensitivity: -90dBm.
    • 85mA TX peak consumption (at +8dBm).
    • Classic Bluetooth SPP (Serial Port Profile) – Up to 600kbps.
    • 0.5dBi ceramic antenna.


  • STM32F091CBU6 32-bit ARM Cortex-M0 MCU.
  • 8MHz external oscillator.
  • Five array ports and four power ports (+3.3V and GND).
  • Access to 5xUART, 1xI2C, SWD, BOOT0, RESET.

Physical Properties

  • Shape: Hexagon
  • Size: 30 mm short diagonal, 17.32 mm side
  • Area: 7.8 cm^2
  • Weight: 2 g
  • Soldermask Color: Dark green
  • Surface Finish: ENIG (gold) or HASL-LF (tin)

Bill of Materials

H23R10 BOM


Frequently Asked Questions

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Have more questions? Please check our main FAQ page and feel free to contact us for any unanswered questions.


  • Schematics (PDF)
  • Hardware Design Files (Circuit Maker)
  • Source Code (GitHub). Download a pre-compiled firmware HEX file here.
  • Documentation / Factsheet (PDF)
  • Projects & Examples: Please check our account on for demo projects and examples.