MDBT50Q-DB-40
by Raytac Corporation
MDBT50Q-DB demo board is designed for quick testing and debugging without building your own board. The board is only available with MDBT50Q-1MV2 (Chip Antenna) module.
Raytac nRF52840 module spectrum covers MDBT50Q-1MV2, MDBT50Q-P1MV2 and MDBT50Q-U1MV2 series with Chip Antenna, PCB Antenna and u.FL connector for External Antenna option for selection.
- Module Demo Board built by MDBT50Q-1MV2
- Nordic nRF52840 SoC Solution Version: 2
- A recommended 3rd-party module by Nordic Semiconductor.
- BT5.1 & BT5 Bluetooth Specification Certified
- Supports BT5 Long Range Feature
- Certifications: FCC, IC, CE, Telec (MIC), KC, SRRC, NCC, RCM, WPC
- 32-bit ARM® Cortex™ M4F CPU
- 1MB Flash Memory / 256kB RAM
- RoHS & Reach Compliant.
- 48 GPIO
- Chip Antenna
- Interfaces: SPI, UART, I2C, I2S, PWM, ADC, NFC, and USB
- Highly flexible multiprotocol SoC ideally suited for Bluetooth® Low Energy, ANT+, Zigbee, Thread (802.15.4) ultra low-power wireless applications.
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CircuitPython 9.2.1
This is the latest stable release of CircuitPython that will work with the MDBT50Q-DB-40.
Use this release if you are new to CircuitPython.
On nRF boards, CircuitPython 8.2.0 and later require UF2 bootloader version 0.6.1 or later. Older bootloaders cannot load the firmware. See Update UF2 Bootloader below.
Built-in modules available: _asyncio, _bleio, _pixelmap, adafruit_bus_device, adafruit_pixelbuf, aesio, alarm, analogio, array, atexit, audiobusio, audiocore, audiomixer, audiomp3, audiopwmio, binascii, bitbangio, bitmapfilter, bitmaptools, board, builtins, builtins.pow3, busdisplay, busio, busio.SPI, busio.UART, codeop, collections, countio, digitalio, displayio, epaperdisplay, errno, fontio, fourwire, framebufferio, getpass, gifio, i2cdisplaybus, io, jpegio, json, keypad, keypad.KeyMatrix, keypad.Keys, keypad.ShiftRegisterKeys, keypad_demux, keypad_demux.DemuxKeyMatrix, locale, math, memorymap, microcontroller, msgpack, neopixel_write, nvm, onewireio, os, os.getenv, paralleldisplaybus, pulseio, pwmio, rainbowio, random, re, rgbmatrix, rotaryio, rtc, sdcardio, select, sharpdisplay, storage, struct, supervisor, synthio, sys, terminalio, time, touchio, traceback, ulab, usb_cdc, usb_hid, usb_midi, vectorio, warnings, watchdog, zlib
Features: Bluetooth/BTLE
Absolute Newest
Every time we commit new code to CircuitPython we automatically build binaries for each board and language. The binaries are stored on Amazon S3, organized by board, and then by language. These releases are even newer than the development release listed above. Try them if you want the absolute latest and are feeling daring or want to see if a problem has been fixed.
Previous Versions of CircuitPython
All previous releases of CircuitPython are available for download from Amazon S3 through the button below. For very old releases, look in the OLD/ folder for each board. Release notes for each release are available at GitHub button below.
Older releases are useful for testing if you something appears to be broken in a newer release but used to work, or if you have older code that depends on features only available in an older release. Otherwise we recommend using the latest stable release.
Update UF2 Bootloader
Latest version: 0.9.2
The bootloader allows you to load CircuitPython, MakeCode, and Arduino programs. The bootloader is not CircuitPython. You can check the current version of your bootloader by looking in the INFO_UF2.TXT file when the BOOT drive is visible (FEATHERBOOT, CPLAYBOOT, etc.).
It is not necessary to update your bootloader if it is working fine. Read the release notes on GitHub to see what has been changed. In general, we recommend you not update the bootloader unless you know there is a problem with it or a support person has asked you to try updating it.
On nRF boards, CircuitPython 8.2.0 and later require UF2 bootloader version 0.6.1 or later. Older bootloaders cannot load the firmware. To check the version of your board's bootloader, look at INFO_UF2.TXT when the BOOT drive is present. To update the bootloader, refer to the "Update Bootloader" page in the guide for your board, or start with this page.
After you update, check INFO_UF2.TXT to verify that the bootloader version has been updated. Then you will need to reload CircuitPython.