HC-31 Bluetooth 2.0 Module -BC417 (101872)


As one of the latest, the HC-31 is an upgraded edition of the popular HC-06 Bluetooth module. The HC-31 however, serves as both Master and Slave unit. And with Bluetooth 2.0, you can wirelessly transmit data between devices up to 10 (roughly 10 yards) meters away.

It's based on the Cambridge Silicon Radio BC417 2.4 GHz Bluetooth radio chip, the datasheet for that particular module is linked to below. It supports 3.3V and 5V, so you may directly connect it to an Arduino board or other 5V devices.  


  • Frequency: 2.4GHz
  • Protocol: Bluetooth 2.0
  • Max transmitting power: max. 4dBm
  • Serial Baud Rate: 1200 to 1382400 bps (default: 9600)
  • Reference Distance: 10 meters
  • Speed: 2Mbps (Max)
  • Power supply: 3.2 - 5.5 V
  • Working current: 40mA
  • Sleep Mode: No sleep model
  • Communication Port: UART 3.3V TTL
  • Working temperature: -20 ~ +75 Centigrade
  • Dimension: 28.6mm x 15.2mm x 2.2 mm
  • Half-cut hole pitch: 2.54mm
  • PCB thickness: 0.8mm
  • Weight: 0.18oz (5g)
  • Default password: 1234

PCB dimension

Module Package


Download HC-31 Package Library

BC417 Datasheet

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HC-31 Bluetooth 2.0 Module -BC417 (101872)

Based on the BC417 chipset, this Bluetooth 2.0 module will serve as master and slave in one unit, allowing up to 10 meters (roughly 10 yards) or wireless data transmission
  • Product Code: 101872
  • Availability: SOLD OUT
  • $6.90

Tags: modules