My environment temperature calculation for https://github.com/srob/homebridge-sensehat

sensors.py

#!/usr/bin/python
from sense_hat import SenseHat
import os


def get_cpu_temp():
    res = os.popen('vcgencmd measure_temp').readline()
    return float(res.replace("temp=", "").replace("'C\n", ""))


def get_temp(sense):
    t1 = sense.get_temperature_from_humidity()
    t2 = sense.get_temperature_from_pressure()
    t = (t1 + t2) / 2
    t_cpu = get_cpu_temp()
    t_corr = t - ((t_cpu - t) / 15) - 3
    return t_corr

sense = SenseHat()

humidity = sense.get_humidity()
pressure = sense.get_pressure()

print("%s %s %s" % (get_temp(sense), humidity, pressure))

1. Install QEMU:

sudo apt update
sudo apt-get install qemu-system-arm qemu-efi

2. Download the Raspberry Pi OS image and Kernel image:

wget https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2023-05-03/2023-05-03-raspios-bullseye-arm64-lite.img.xz
xz -d 2023-05-03-raspios-bullseye-arm64-lite.img.xz

wget https://raw.githubusercontent.com/dhruvvyas90/qemu-rpi-kernel/master/kernel-qemu-5.10.63-bullseye
wget https://github.com/dhruvvyas90/qemu-rpi-kernel/raw/master/versatile-pb-bullseye-5.10.63.dtb

Migrating to 64-bit OS (aarch64)

Why?
https://www.linuxserver.io/blog/a-farewell-to-arm-hf

How?

Reflash the image

Official Raspberry Pi OS

Download Raspberry Pi OS

https://www.raspberrypi.com/software/operating-systems/

Install Raspberry Pi OS using Raspberry Pi Imager

brew install raspberry-pi-imager

Flash with SSH enabled

sudo dpkg-reconfigure locales

Install Docker

https://docs.docker.com/engine/install/debian/

Configure Docker

https://docs.docker.com/engine/install/linux-postinstall/#manage-docker-as-a-non-root-user

sudo usermod -aG docker $USER

Relogin the user

Calibre web with docker compose

docker-compose.yml

---
version: "2.1"
services:
  calibre-web:
    image: lscr.io/linuxserver/calibre-web:latest
    container_name: calibre-web
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Etc/UTC
      - DOCKER_MODS=linuxserver/mods:universal-calibre
      - OAUTHLIB_RELAX_TOKEN_SCOPE=1 #optional
    volumes:
      - /home/pi/calibre/config:/config
      - /home/pi/calibre/library:/books
    ports:
      - 8083:8083
    restart: unless-stopped

Crontab

crontab -e

@reboot (sleep 30s ; cd calibre ; /usr/bin/docker compose up -d --build)&

Basic Configuration

Calibre web

Install https://github.com/janeczku/calibre-web

Create /etc/systemd/system/calibre-web.service

[Unit]
Description=Calibre-Web
After=network.target

[Service]
Type=simple
User=pi
Group=pi
WorkingDirectory=/home/pi/calibre
ExecStart=/home/pi/.local/bin/cps
Restart=on-failure

[Install]
WantedBy=multi-user.target

Enable and start

sudo systemctl enable calibre-web
sudo systemctl start calibre-web

Cloudflare tunnel

For SSH, RDP, SMB

https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/use-cases/

tailscale

https://tailscale.com/kb/1114/pi-hole/

fileserver

Install

curl -fsSL https://raw.githubusercontent.com/filebrowser/get/master/get.sh | bash

Init

filebrowser config init

Change listen port from default 8080 to 8780 (Optional)

filebrowser config set --port 8780

Test

filebrowser -r .

Add user

filebrowser users add admin admin

Update user

filebrowser users update admin --username pi
filebrowser users update pi --password pass1234

Add /etc/systemd/system/filebrowser.service with the following content.

[Unit]
Description=filebrowser
After=network.target

[Service]
Type=simple
WorkingDirectory=/home/pi
ExecStart=/usr/local/bin/filebrowser -r /home/pi
Restart=on-failure
User=pi
Group=pi

[Install]
WantedBy=multi-user.target

Load, enable and run

sudo systemctl daemon-reload
sudo systemctl enable --now filebrowser.service

Xray

https://www.v2ray-agent.com/archives/1708584312877