00ceff3613f9c1a6a8d37fa634b3bb143ec6268b
Chip-dat/74xx-dat/74HC595-dat/74HC595-dat.md
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31 | 31 | - When the output-enable (OE) input is high, the outputs are in the high-impedance state. |
32 | 32 | |
33 | 33 | |
34 | +## ref |
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34 | 35 | |
36 | +- [[RPI-dat]] |
Tech-dat/SBC-dat/RPI-dat/RPI-errors-dat/RPI-errors-dat.md
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1 | + |
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2 | +# RPI-errors-dat |
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3 | + |
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4 | + |
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5 | +### The Repository "***" does not have a Release file. unable to update |
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6 | + |
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7 | +/etc/apt/sources.list.d/ |
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8 | + |
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9 | + deb http://archive.raspberrypi.org/debian/ stretch main ui |
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10 | + # Uncomment line below then 'apt-get update' to enable 'apt-get source' |
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11 | + deb-src http://archive.raspberrypi.org/debian/ stretch main ui |
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12 | + |
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13 | + |
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14 | + |
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15 | +deb http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi |
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16 | +to |
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17 | +deb http://legacy.raspbian.org/raspbian/ stretch main contrib non-free rpi |
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18 | + |
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19 | + |
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20 | +https://raspberrypi.stackexchange.com/questions/143053/my-rpi-wont-update |
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21 | + |
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22 | + |
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23 | + |
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24 | +/etc/apt/sources.list |
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25 | + |
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26 | +/etc/sources.list.d/raspi.list |
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... | ... | \ No newline at end of file |
Tech-dat/SBC-dat/RPI-dat/RPI-setup-dat/2024-09-30-19-19-11.png
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Tech-dat/SBC-dat/RPI-dat/RPI-setup-dat/RPI-setup-dat.md
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1 | + |
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2 | +# RPI-setup-dat |
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3 | + |
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4 | +## login |
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5 | + |
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6 | +- default login user = pi, pass = raspberry |
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7 | + |
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8 | +- reset password - https://forums.raspberrypi.com/viewtopic.php?t=319398 |
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9 | + |
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10 | +![](2024-09-30-19-19-11.png) |
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11 | + |
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12 | +## network |
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13 | + |
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14 | +- [[rpi-dat]] has built-in wifi |
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15 | + |
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16 | +iwconfig |
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17 | + |
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18 | + eth0 no wireless extensions. |
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19 | + |
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20 | + lo no wireless extensions. |
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21 | + |
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22 | + wlan0 IEEE 802.11 ESSID:"111" |
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23 | + Mode:Managed Frequency:2.472 GHz Access Point: D0:05:E4:E2:CD:A1 |
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24 | + Bit Rate=72.2 Mb/s Tx-Power=31 dBm |
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25 | + Retry short limit:7 RTS thr:off Fragment thr:off |
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26 | + Encryption key:off |
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27 | + Power Management:on |
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28 | + Link Quality=65/70 Signal level=-45 dBm |
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29 | + Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 |
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30 | + Tx excessive retries:1 Invalid misc:0 Missed beacon:0 |
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31 | + |
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32 | + |
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33 | +- iwgetid will give you the SSID |
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34 | + |
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35 | + |
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36 | + |
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37 | + |