# nRF52840 Bluetooth Low Energy Module with USB - MDBT50Q-1M

**Type:** Product page · **SKU:** ADA4078 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia)
**Page:** https://core-electronics.com.au/nrf52840-bluetooth-low-energy-module-with-usb-mdbt50q-1m.html ([markdown](https://core-electronics.com.au/nrf52840-bluetooth-low-energy-module-with-usb-mdbt50q-1m.html.md))

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 nRF52832...

## Pricing

- **Price:** $22.20 (inc GST) — $20.18 AUD, exc GST
- **Quantity discounts:** 10+ $19.57 (exc GST) · 50+ $19.17 (exc GST)

## Availability & dispatch

- Out of stock — the product page offers email notification when it returns.

## Description

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 nRF52832 Cortex M4 chip that comes integrated with BLE radio, USB 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.

This chip is quite a beast, with a ton of FLASH, SRAM, peripherals and best of all ... **native USB support!** No need for an external USB-serial converter chip. However, given that it uses under-pads instead of castellated pads, you cannot hand-solder it, you'll need a stencil and hot air or a reflow oven.

**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!

This is the same module Adafruit use for the [Adafruit nRF52840 Feather](https://core-electronics.com.au/adafruit-feather-nrf52840-express.html) so [if you'd like to see a possible reference design for this module, check out the PCB files here!](https://github.com/adafruit/Adafruit-nRF52-Bluefruit-Feather-PCB)

Of course the best way to program these chips is with the Nordic SDK. This chip also has [some basic Arduino support](https://github.com/adafruit/Adafruit_nRF52_Arduino), [CircuitPython support](https://github.com/adafruit/circuitpython/tree/master/ports/nrf), and is [supported by MyNewt](https://mynewt.apache.org/latest/tutorials/blinky/nRF52.html). Either way you go (SDK/CircuitPython/Arduino) you'll still need to solder this onto a PCB and load code via a SWD programmer.

### Technical Details

- 32-bit ARM® Cortex™ M4F CPU
- Supply: 1.7V – 5.5V
- Flexible and configurable 48 GPIO
- Bluetooth 5, IEEE 802.15.4, 2.4 GHz transceiver• -95dBm sensitivity in 1Mbps Bluetooth low energy (BLE) mode• -103dBm sensitivity in 125Kbps BLE mode (long range)• 8 dBm TX power (down to -20 dBm in 4 dB steps)• On-air compatible with nRF52, nRF51, nRF24L and nRF24AP Series

 • Programmable output power from 8dBm to -20dB • RSSI (1dB resolution)•Supported data rates:

- Bluetooth 5: 2Mbps, 1 Mbps, 500 kbps, 125 kbps
- IEEE 802.15.4-2006: 250 kbps
- Proprietary 2.4 GHz: 2 Mbps, 1 Mbps
- Advanced on-chip interfaces• USB 2.0 full speed (12Mbps) controller• QSPI 32MHz interface• High speed 32MHz SPI• Type 2 near field communication (NFC-A) tag with wake-on field•Programmable peripheral interconnect (PPI)• EasyDMA automated data transfer without CPU processing on peripherals•12 bit, 200ksps ADC – 8 configurable channels with programmable gain• 4 x 4 channel pulse width modulator (PWM)units with EasyDMA• Audio peripherals : I2S, digital microphone interface (PDM)• 5 X 32-bit timers with counter mode• Up to 4 x SPI masters / 3 x SPI slaves with EasyDMA• Up to 2 x I2C compatible 2-wire masters / slaves• 2 x UART(CTS/RTS) with EasyDMA• Quadrature decoder (QDEC)• 3 x 24-bit real-time counters (RTC)
- Operating Temp: -40°C to 85°C
- Raytac product page

Product Dimensions: 15.5mm x 10.5mm x 2.1mm / 0.6" x 0.4" x 0.1"

Product Weight: 0.6g / 0.0oz

 ![](https://core-electronics.com.au/attachments/localcontent/rohs_icon_8216055e11.jpg)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/a/d/ada4078-1.jpg)