circuitpython-org/_blinka/raspberry_pi_400.md
Jeff Epler 4715875cc4 Fix board dates to always be of the form YYYY-MM-DD
.. leading zeros are required for `frontmatter` to treat them as dates
rather than strings, apparently per the YAML specification.

This was done by script:
```py
import re
import datetime
import pathlib
import sys

import frontmatter

rx = re.compile(r'^(\s*)date_added:.*$', re.M)

for path_str in sys.argv[1:]:
    print(path_str)
    path = pathlib.Path(path_str)

    post = frontmatter.load(path)
    date_added = post.get("date_added", "")

    if isinstance(date_added, datetime.date):
        continue

    if isinstance(date_added, str):
        try:
            date_added = datetime.datetime.strptime(date_added, "%Y-%m-%d")
        except ValueError as exc:
            print(f"Failed to parse date {date_added} in {path_str}: {exc}")
            continue

    date_added = date_added.date()
    content = path.read_text("utf-8")
    new_content = rx.sub(lambda m: f"{m.group(1)}date_added: {date_added}", content)
    assert content != new_content

    path.write_text(new_content, "utf-8")
```
2024-03-22 11:31:45 -05:00

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layout board_id title name manufacturer board_url board_image download_instructions downloads_display blinka date_added features
download raspberry_pi_400 Raspberry Pi 400 Desktop Download Pi 400 Desktop Raspberry Pi
https://www.raspberrypi.com/products/raspberry-pi-400-unit
raspberry_pi_400.jpg https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/installing-circuitpython-on-raspberry-pi true true 2020-11-02
Wi-Fi
Bluetooth/BLE
Ethernet
HDMI/DisplayPort
40-pin GPIO
USB 3.0

Raspberry Pi 400 is your complete personal computer, built into a compact keyboard. Featuring a quad-core 64-bit processor, 4GB of RAM, wireless networking, dual-display output, and 4K video playback, as well as a 40-pin GPIO header, it's the most powerful and easy-to-use Raspberry Pi computer yet.

  • Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.8GHz
  • 4GB LPDDR4-3200
  • Dual-band (2.4GHz and 5.0GHz) IEEE 802.11b/g/n/ac wireless LAN
  • Bluetooth 5.0, BLE
  • Gigabit Ethernet
  • 2 × USB 3.0 and 1 × USB 2.0 ports
  • Horizontal 40-pin GPIO header
  • 2 × micro HDMI ports (supports up to 4Kp60)
  • H.265 (4Kp60 decode); H.264 (1080p60 decode, 1080p30 encode); OpenGL ES 3.0 graphics
  • MicroSD card slot for operating system and data storage
  • 78- or 79-key compact keyboard (depending on regional variant)
  • 5V DC via USB connector
  • Operating temperature: 0°C to +50°C ambient
  • Maximum dimensions 286 mm × 122 mm × 23 mm

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