Chip-dat/74xx-dat/74HC595-dat/74HC595-dat.md
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@@ -31,4 +31,6 @@ optional
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- When the output-enable (OE) input is high, the outputs are in the high-impedance state.
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+## ref
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+- [[RPI-dat]]
Tech-dat/SBC-dat/RPI-dat/RPI-errors-dat/RPI-errors-dat.md
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+
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+# RPI-errors-dat
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+
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+
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+### The Repository "***" does not have a Release file. unable to update
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+
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+/etc/apt/sources.list.d/
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+
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+ deb http://archive.raspberrypi.org/debian/ stretch main ui
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+ # Uncomment line below then 'apt-get update' to enable 'apt-get source'
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+ deb-src http://archive.raspberrypi.org/debian/ stretch main ui
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+
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+
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+
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+deb http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi
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+to
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+deb http://legacy.raspbian.org/raspbian/ stretch main contrib non-free rpi
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+
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+
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+https://raspberrypi.stackexchange.com/questions/143053/my-rpi-wont-update
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+
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+
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+
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+/etc/apt/sources.list
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+
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+/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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Binary files /dev/null and b/Tech-dat/SBC-dat/RPI-dat/RPI-setup-dat/2024-09-30-19-19-11.png differ
Tech-dat/SBC-dat/RPI-dat/RPI-setup-dat/RPI-setup-dat.md
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+
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+# RPI-setup-dat
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+
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+## login
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+
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+- default login user = pi, pass = raspberry
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+
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+- reset password - https://forums.raspberrypi.com/viewtopic.php?t=319398
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+
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+![](2024-09-30-19-19-11.png)
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+
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+## network
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+
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+- [[rpi-dat]] has built-in wifi
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+
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+iwconfig
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+
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+ eth0 no wireless extensions.
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+
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+ lo no wireless extensions.
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+
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+ wlan0 IEEE 802.11 ESSID:"111"
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+ Mode:Managed Frequency:2.472 GHz Access Point: D0:05:E4:E2:CD:A1
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+ Bit Rate=72.2 Mb/s Tx-Power=31 dBm
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+ Retry short limit:7 RTS thr:off Fragment thr:off
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+ Encryption key:off
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+ Power Management:on
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+ Link Quality=65/70 Signal level=-45 dBm
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+ Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
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+ Tx excessive retries:1 Invalid misc:0 Missed beacon:0
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+
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+
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+- iwgetid will give you the SSID
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+
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+
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+
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+