nRF51822 Bluetooth Low Energy Module (MDBT40-256RV3)

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If you have a custom PCB design and you'd like to add a little Bluetooth Low Energy, this module is ultra compact and easy to use. It contains a Nordic nRF51822 Cortex M0 chip that comes integrated with BLE radio as well as most of the supporting circuitry and even a chip antenna. The whole thing is in a tin and comes with FCC, CE and TELEC certifications.

Please note! The module comes with a blank chip - this is for people who are comfortable programming the chips themselves with a J-Link programmer and the Nordic SDK. We don't provide any firmware to go along with it!

If you'd like to see a possible reference design for this module, check out the PCB files for our Bluefruit UART Friend

This is the same chip as the micro:bit, so there is micropython support as well as some basic Arduino support. Either way you go (SDK/micropython/Arduino) you'll still need to solder this onto a PCB and load code via a SWD programmer.

Technical Details

  • 32-bit ARM® Cortex™ M0 CPU
  • Supply: 1.8V – 3.6V
  • Memory: 256kB Flash Memory
  • RAM: 32kB
  • Tx Power: +4 dBm @ 16mA
  • Rx Sensitivity: -93 dBm @ 13mA
  • Flexible and configurable 31 GPIO
  • Interfaces: UART / I2C / SPI / PWM
  • One 32 bit and two 16 bit timers with counter mode
  • SPI Master / Slave
  • Two-wire Master (I2C compatible)
  • UART (CTS/RTS)
  • CPU independent Programmable Peripheral Interconnect (PPI) . Quadrature Decoder (QDEC)
  • AES HW encryption
  • Real Timer Counter (RTC)
  • Operating Temp: -40°C to +105°C
  • Raytac's product page

Product Dimensions: 18.0mm x 10.0mm x 2.9mm / 0.7" x 0.4" x 0.1"

Product Weight: 0.9g / 0.0oz

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