SP-1 by Teenage Engineering
The original SP-1 firmware is unpublished. It is not possible to revert back to the stock firmware if you flash CircuitPython on the device. You can change to other 3rd party firmwares, but not back to original.
The SP-1 was a device that had some get manufactured, but before being officially released the project and partnership around it was scrapped. The ones that did get manufactured eventually became available from 3rd party liquidation and reseller channels. They come “as-is” with absolutely no official support. A community of folks online have documented the on-board peripherals and created 3rd party firmwares to run on the device.
With CircuitPython the device can play wave or mp3 audio files stored in eMMC storage and control the volume with the fader bars.
The hardware features:
- Nordic nrf52840 microcontroller
- CS42L42 audio CODEC
- TAS2505 audio amp for speaker
- 3.5mm audio line out
- 8 buttons and an up/down rocker
- 4 analog fader slide bars
- 4gb emmc storage for audio files
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CircuitPython 10.3.1
This is the latest stable release of CircuitPython that will work with the SP-1. 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.
Modules included in this download
_asyncio _pixelmap adafruit_bus_device adafruit_pixelbuf aesio analogio array atexit audiobusio audiocore audiodelays audiofilters audiofreeverb audiomixer audiomp3 binascii bitbangio board builtins builtins.pow3 busio busio.SPI busio.UART codeop collections countio digitalio emmcio errno getpass hashlib io 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 pulseio pwmio rainbowio random re rotaryio rtc sdcardio select storage struct supervisor supervisor.get_setting synthio sys time touchio traceback ulab usb_cdc usb_hid usb_midi warnings zlibIncluded frozen(?) modules: adafruit_cs42l42, adafruit_register, adafruit_tas2505
Features: USB-C
CircuitPython 10.4.0-alpha.2
This is the latest development release of CircuitPython that will work with the SP-1.
Alpha development releases are early releases. They are unfinished, are likely to have bugs, and the features they provide may change. Beta releases may have some bugs and unfinished features, but should be suitable for many uses. A Release Candidate (rc) release is considered done and will become the next stable release, assuming no further issues are found.
Please try alpha, beta, and rc releases if you are able. Your testing is invaluable: it helps us uncover and find issues quickly.
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.
Release Notes for 10.4.0-alpha.2
Modules included in this download
_asyncio _pixelmap adafruit_bus_device adafruit_pixelbuf aesio analogio array atexit audiobusio audiocore audiodelays audiofilters audiofreeverb audiomixer audiomp3 binascii bitbangio board builtins builtins.pow3 busio busio.SPI busio.UART codeop collections countio digitalio emmcio errno getpass hashlib io 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 pulseio pwmio rainbowio random re rotaryio rtc sdcardio select storage struct supervisor supervisor.get_setting synthio sys time touchio traceback ulab usb_cdc usb_hid usb_midi warnings zlibIncluded frozen(?) modules: adafruit_cs42l42, adafruit_register, adafruit_tas2505
Features: USB-C
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.