Badger 2350 by Pimoroni
Badger 2350 is an all-in-one badge wearable with a fast updating 2.7” electronic paper screen, built-in rechargeable battery and sturdy polycarbonate case. Hang it round your neck with the (included) Badger lanyard or prop it up on your desk - either way it’s ready to go straight out of the box. It’s way more than just a event badge too - the four-level greyscale screen would also be great for displaying charts, signage or QR codes.
Features
- Display: 2.7” four-level greyscale electronic paper (264 x 176 pixels)
- Powered by RP2350A (Dual Arm Cortex M33 running at 250MHz with 520KB of SRAM)
- 16MB of QSPI flash supporting XiP
- 8MB of PSRAM
- Raspberry Pi RM2 module (CYW43439), supporting IEEE 802.11 b/g/n wireless LAN, and Bluetooth
- 1000mAh LiPo battery:
- MCP73831 charger with 455mA charging current (datasheet)
- XB6096I2S battery protector (datasheet)
- PCF85063A real-time clock for waking from sleep (datasheet)
- Polycarbonate case with teal back
- 4-zone mono LED case lighting
- Buttons:
- Five front user buttons
- Reset (and sleep) button
- Home (and boot) button
- Connectors:
- USB-C connector for charging and programming
- I2C connector (Qwiic/STEMMA QT) for attaching breakouts
- SWD debug connector
- Comes fully-assembled (no soldering required)
- Includes matching 2-clip lanyard
- Dimensions with case: 84mm (W) x 76mm (H) x 20mm (D)
Note
There is no power switch. Since mainline CircuitPython does not support low-power modes for the RP2350 (i.e. sleep/deep-sleep), the LiPo will be drained fast when running with CircuitPython. So to make full use of this board you either have to hack the hardware and add a power-switch, or hack CircuitPython and implement the alarm-module for the RP2350.
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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.