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Dustin C. Hatch 990de7fbb9 sensor: Improve reported value precision

Casting the measured values to `int` loses a lot of precision.  Sending
the raw values, however, results in uselessly over-precise values.
Thus, we need to compromise by truncating the values at the tenths
place.

2021-06-18 18:31:34 -05:00

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Add backlight daemon

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src/thermostat

sensor: Improve reported value precision

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.gitignore

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backlight.service

Add backlight daemon

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poetry.lock

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pyproject.toml

sensor: Add availability messages

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README.md

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sensor.service

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xinit@.service

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xinitrc.sh

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README.md

Thermostat Display

Screen Setup

As instructed at https://www.acmesystems.it/CM3-PANEL-7-BASIC_microsd

Device Tree Overlay (config.txt)
Enable SSH: thouch /run/media/boot/ssh
Configure wpa_supplicant

Build/Install

Build wheel: poetry build
Copy wheel to Raspberry Pi
Install: python3 -m pip install --user ~/thermostat-*.whl
Copy sensor.service to ~/.config/systemd/user
Start sensor: systemctl --user enable --now sensor

Automatic Login/Autostart

Install packages:
- firefox-esr
- matchbox-window-manager
- x11-xserver-utils
- xdotool
- xinit
Copy xinit@.service to /etc/systemd/system
Copy xinit.sh to ~/.xinitrc

Start GUI:

systemctl enable xinit@pi.service
systemctl set-default graphical.target
systemctl isolate graphical.target

Install Auto Fullscreen add-on fore Firefox