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Using a Pi Zero W with a sensor to read battery voltage. Sensor, board, and pi Voltage sensor: https://amzn.to/3AuDScb The famous serial to digital converter: MCP3008 that’s actually easy to set up: https://amzn.to/46Uw6Em The board: Voltage sensor: Pi Zero W: Lab power supply for testing: Exact wiring instructions: Wiring source: https://learn.adafruit.com/raspberry-pi-analog-to-digital-converters/mcp3008 A great tutorial, except ..

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Here it is with all the drives taken out. If using the Ubuntu image from: https://wiki.radxa.com/Rock4/downloads ex: curl -OL https://github.com/radxa/debos-radxa/releases/download/20221109-1007/rockpi-4b-ubuntu-focal-server-arm64-20221109-1331-gpt.img.xz apt-get will be broken, so you might need to run: wget -O – apt.radxa.com/focal-stable/public.key | sudo apt-key add – sudo apt-..

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Scenario: only allow local IPs to access the server. For exceptions, allow access but only by IP. The 2 include files that you see under location / are: Generate a 100 MB file of random bytes for my403.html and for my40x.html: Create the 2 html files which are actually sym links Watch the logs of ..

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