The BOKRA BM83x module uses one of the following Fanstel Compact SIP (System-in-Package) based on Nordic's miniature Bluetooth Low Energy (BLE) chip:

  • BM833 (based on Nordic nRF52833 QIAA)
  • BM833A (based on Nordic nRF52811 QFAA)
  • BM833E (based on Nordic nRF52833 QIAA)
  • BM832 (based on Nordic nRF52832 QFAA)
  • BM832A (based on Nordic nRF52810 QFAA)

BOKRA BM83x module size - 28,6 x 25,4 mm.

Frequency - 64 MHz.


  • for BM833 and BM833E              512 KB Flash memory, 128 KB RAM
  • for BM832                                          512 KB Flash memory, 64 KB RAM
  • for BM833A and BM832A           192 KB Flash memory, 24 KB RAM

Interface for debugging – SWD. Serial interfaces: SPI, I2C, USART. ADC - 12 bit/200KSps, 8 channels.

External connectors – mikroBUS and I2C. BM833 and BM833E also have a USB connector.

BLE 5.1 for BM833, BM833A and BM833E. BLE 5.0 for BM832 and BM832A.

Antenna – PCB Trace. Except BM833E (u.FL antenna).

Input power - 5V. The voltage regulator is Microchip's MIC5528, providing 500 mA output current. There are RESET button and three LED-indicators (power and two software-controlled).

The main areas of application of BOKRA BM83x:

  • IoT (Internet of Things)
  • Fitness / Sport
  • Portable devices
  • Buildings and houses automation
  • Agriculture and agro-industry
  • Lighting products
  • Sensors
  • Interactive entertainment devices


SKU: BM83x

    This product can be bought in Tindie