📢 No longer actively maintained.
Single-page application with single-task focus -- checking if the toilet is occupied or not.
You need to run it on Raspberry Pi.
After usual cloning and npm installing, run
npm start -- --button-gpio-channel BUTTON_GPIO --light-gpio-channel LIGHT_GPIO
where BUTTON_GPIO is Broadcom pin number (BCM/GPIO) where you have
your microswitch plugged in and LIGHT_GPIO is your status indicator
diode. You may use e.g. pinout (from python3-gpiozero) to see the
layout or visit https://pinout.xyz/.
By default server will run with no HTTPS and push notifications,
run npm start -- --help to see how to configure those.
Our microswitch is shoved in a hole in the wall where toilet door’s lock slides in. It’s padded with some folded paper and kept in place with hot glue.
If you don’t have a good place to put your Raspberry Pi next to your toilet door, it may make sense to solder ethernet cable to your microswitch and use ethernet sockets to connect it to your Pi. Connection cannot go through the router, but ethernet switch is fine. If that setup does not work, it may mean that distance between microswitch and Pi is too great and signal fades. Experiment with that.
As of now, GPIO channel is set up in INPUT mode with PULL UP and change interval of 200ms.
Running server with no --button-gpio-channel and
NODE_ENV=development will start debug mode when you can change status
with keypresses. Run npm run dev to run server that restarts on every
file change. No browser reload at this point, though. To make push work
on localhost use something like site.js for
HTTPS.
Run npm start -- --help for all available options.
See our contributing guidelines.
We have adapted Contributor Covenant code of conduct.
Code licensed under ISC.
Graphics licensed under Creative Commons BY-NC-SA.
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