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The original SP-1 firmware is unpublished.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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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.