IMM-NRF52832-NANO is an Ultra Small nRF52832 Module with Bluetooth 5, ANT+, 30 I/Os

If you have a project requiring a programmable Bluetooth 4.x/5 module that’s as small as possible, Canada based I-Syst may have what you need with their IMM-NRF52832-NANO module measuring just 10 x 7 x 1.6 mm.

The module is based on Nordic Semi nRF52832 Arm Cortex-M4F SoC with Bluetooth 5 LE (no long range support) and ANT+ connectivity, and exposes up to 30 I/Os for your project.

Specifications:

  • SoC – Nordic Semi nRF52832 32 bits Arm Cortex-M4F @ 64MHz with 512KB Flash, 64KB SRAM, 2.4GHz multi-protocol transceiver
  • Connectivity – Bluetooth 5 LE, ANT+, Type 2 NFC -A Tag with wakeup on field
  • Up to 30x I/Os:
    • 3x SPI Master/Slave
    • 2x 2-wire Master (I2C compatible)
    • UART (CTS/RTS)
    • 3x 4 channel PWM
    • 8x configurable 12 bits, 200 ksps ADC
    • Digital microphone interface
    • Quadrature decoder input
  • Sensors – Temperature sensor
  • Security – AES HW encryption
  • Misc – 32MHz & 32.768KHz crystals, low power comparator
  • Power Supply – 1.8V to 3.6V DC input; DC/DC power mode inductors
  • Dimension – 10 x 7 x 1.6 mm

The module can be used without extra components and “the only space required on your PCB is the module size itself”, which makes it ideal for wearable and space-constrained applications. A getting started guide, source code samples, including iOS & Android apps can be found on the developer’s blog. A breakout board – pictured below – can also be provided to speed up development or for evaluation.

IMM-NRF52832-NANO miniature module is sold for $18 on Tindie plus shipping, but you may also consider spending $3 extra for the DIP32 breakout board. More documentation can also be found on the Tindie link.

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