Raspberry Pi

  • model B
  • 2012/08/23

メモ

  • USBポートに給電される電流は100mA程度らしい
  • HUB経由でGW-USValue-EZが特に設定なしで使えてる (Raspbian wheezy 2013-05-25)
    • 1~2日運用してると切れてることがある(挿し直すと動き出す)

ネタ

DisplayLinkなUSBモニタを繋ぐ

モバイルVPNルータを作りたい

DCモーターの制御

NFS root

Zero

  • A+で動いていたmicroSDを持ってきて起動しない場合はrpi-updateしてみる

3 Model B with Arch Linux ARM

Bluetooth

-- Unit brcm43xx-firmware.service has begun starting up.
Apr 22 00:52:49 aurora brcm43xx-firmware-update[432]: Warning: Using self generated MAC address! 
MAC_ADDR should be defined in /etc/conf.d/bcm43xx.
Apr 22 00:52:49 aurora brcm43xx-firmware-update[432]: Failed: Unable to locate bluetooth device
Apr 22 00:52:49 aurora systemd[1]: brcm43xx-firmware.service: Main process exited, code=exited,  status=1/FAILURE
Apr 22 00:52:49 aurora systemd[1]: Failed to start Broadcom 43xx firmware update.
# /usr/lib/systemd/scripts/brcm43xx-firmware-update
Warning: Using self generated MAC address! MAC_ADDR should be defined in /etc/conf.d/bcm43xx.
Failed: Unable to locate bluetooth device
# cat /sys/class/mmc_host/mmc*/mmc?\:0001/mmc?\:0001:?/device
0xa9a6
0xa9a6

参考

Last edited by Anonymous, 2017-04-22 01:08:38