RP2040-Shim by Silicognition LLC
This board is an alternative to the Silicognition M4-Shim, and just like that board it is specifically made to fit on top of the PoE-FeatherWing, filling the empty space around the RJ45 and flyback transformer and allowing the creation of extremely compact Power over Ethernet systems.
Since the ATSAMD51J19 used on the M4-Shim is pretty much unobtainium right now, I needed to provide an alternative, and with good availability and popularity of the RP2040 this chip seemed like a natural choice. You get dual ARM Cortex-M0+ @ 133 MHz, 264 kB on-chip SRAM, PIO and 4 MB of QSPI flash!
The RP2040 comes with built-in UF2 bootloader, and the board has CircuitPython with Wiznet W5500 drivers pre-installed, plus a poe_featherwing.py module that sets the Ethernet connection up for you.
A special feature of this board is a custom chip to enable the familiar single-press to reset, double-press for bootloader button! So from a user experience point of view, it behaves the same as the M4-Shim.
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CircuitPython 9.2.6
This is the latest stable release of CircuitPython that will work with the RP2040-Shim. Use this release if you are new to CircuitPython.
Modules included in this download
_asyncio _bleio _pixelmap adafruit_bus_device adafruit_pixelbuf aesio alarm analogbufio analogio array atexit audiobusio audiocore audiomixer audiomp3 audiopwmio binascii bitbangio bitmapfilter bitmaptools bitops board builtins builtins.pow3 busdisplay busio busio.SPI busio.UART codeop collections countio digitalio displayio epaperdisplay errno floppyio fontio fourwire framebufferio getpass gifio hashlib i2cdisplaybus i2ctarget imagecapture 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 qrio rainbowio random re rgbmatrix rotaryio rp2pio rtc sdcardio select sharpdisplay storage struct supervisor synthio sys terminalio tilepalettemapper time touchio traceback ulab usb usb_cdc usb_hid usb_host usb_midi usb_video vectorio warnings watchdog zlibFeatures: Feather-Compatible, Breadboard-Friendly
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.