Simple replacement for the Tilt Hydrometer mobile apps and TiltPi with lots of features
Project description
Pitch (Tilt Hydrometer tool)
Pitch is an unofficial replacement for Tilt Hydrometer mobile apps and TiltPi software. Tilt hardware is required. It is designed to be easy to use and integrated with other tools like Promethues and InfluxDB for metrics, or any generic third party source using webhooks.
Why
The Tilt hardware is impressive, but the mobile apps and TiltPi are confusing and buggy. This project aims to provide a better more reliable solution, but is focused on more tech-savvy brewers than the official Tilt projects.
Features
The following features are implemented, planned, or will be investigated in the future:
- Track multiple Tilts at once
- Prometheus Metrics
- Tilt status log file (JSON)
- InfluxDB Metrics
- Multiple logging and metric sources simultaneously
- Webhooks for supporting generic integrations (similar to Tilt's Cloud Logging feature)
- Gravity, original gravity, ABV, temperature and apparent attenuation
- Custom Beer/brew names (e.g. color tilt = Pumpkin IPA)
- Brewing Cloud Services (Brewstats, Brewer's Friend, etc.)
- Google Sheets (using any Google Drive)
Configuration
Custom configurations can be used by creating a file pitch.json
in the working directory you are running Pitch from.
Option | Purpose | Default |
---|---|---|
simulate_beacons (bool) |
Creates fake Tilt beacon events instead of scanning, useful for testing | False |
webhook_urls (array) |
Adds webhook URLs for Tilt status updates | None/empty |
log_file_path (str) |
Path to file for JSON event logging | pitch_log.json |
log_file_max_mb (int) |
Max JSON log file size in megabytes | 10 |
prometheus_enabled (bool) |
Enable/Disable Prometheus metrics | true |
prometheus_port (int) |
Port number for Prometheus Metrics | 8000 |
influxdb_hostname (str) |
Hostname for InfluxDB database | None/empty |
influxdb_port (int) |
Port for InfluxDB database | None/empty |
influxdb_database (str) |
Name of InfluxDB database | None/empty |
influxdb_username (str) |
Username for InfluxDB | None/empty |
influxdb_batch_size (int) |
Number of events to batch | 10 |
influxdb_timeout_seconds (int) |
Timeout of InfluxDB reads/writes | 5 |
{color}_name (str) |
Name of your brew, where {color} is the color of the Tilt (purple, red, etc) | Color (e.g. purple, red, etc) |
{color}_original_gravity (float) |
Original gravity of the beer, where {color} is the color of the Tilt (purple, red, etc) | None/empty |
Integrations
Don't see one you want, send a PR implementing CloudProviderBase
Prometheus Metrics
Prometheus metrics are hosted on port 8000. For each Tilt the followed Prometheus metrics are created:
# HELP pitch_beacons_received_total Number of beacons received
# TYPE pitch_beacons_received_total counter
pitch_beacons_received_total{color="purple"} 3321.0
# HELP pitch_temperature_fahrenheit Temperature in fahrenheit
# TYPE pitch_temperature_fahrenheit gauge
pitch_temperature_fahrenheit{color="purple"} 69.0
# HELP pitch_temperature_celcius Temperature in celcius
# TYPE pitch_temperature_celcius gauge
pitch_temperature_celcius{color="purple"} 21.0
# HELP pitch_gravity Gravity of the beer
# TYPE pitch_gravity gauge
pitch_gravity{color="purple"} 1.035
# HELP pitch_alcohol_by_volume ABV of the beer
# TYPE pitch_alcohol_by_volume gauge
pitch_alcohol_by_volume{color="purple"} 5.63
# HELP pitch_apparent_attenuation Apparent attenuation of the beer
# TYPE pitch_apparent_attenuation gauge
pitch_apparent_attenuation{color="purple"} 32.32
Webhook
Unlimited webhooks can be configured using the config option webhook_urls
. Each Tilt status broadcast will result in a webhook call to all URLs.
Webhooks are sent as HTTP POST with the following json payload:
{
"color": "purple",
"temp_fahrenheit": 69,
"temp_celsius": 21,
"gravity": 1.035,
"alcohol_by_volume": 5.63,
"apparent_attenuation": 32.32
}
JSON Log File
Tilt status broadcast events can be logged to a json file using the config option log_file_path
. Each event is a newline. Example file:
{"timestamp": "2020-09-11T02:15:30.525232", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.997, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
{"timestamp": "2020-09-11T02:15:32.539619", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.997, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
{"timestamp": "2020-09-11T02:15:33.545388", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.997, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
{"timestamp": "2020-09-11T02:15:34.548556", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.997, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
{"timestamp": "2020-09-11T02:15:35.557411", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.997, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
{"timestamp": "2020-09-11T02:15:36.562158", "color": "purple", "temp_fahrenheit": 70, "temp_celsius": 21, "gravity": 0.996, "alcohol_by_volume": 5.63, "apparent_attenuation": 32.32}
InfluxDB Metrics
Metrics can be sent to an InfluxDB database. See Configuration section for setting this up. Pitch does not create the database so it must be created before using Pitch.
Each beacon event from a Tilt will create a measurement like this:
{
"measurement": "tilt",
"tags": {
"color": "purple"
},
"fields": {
"temp_fahrenheit": 70,
"temp_celsius": 21,
"gravity": 1.035,
"alcohol_by_volume": 5.63,
"apparent_attenuation": 32.32
}
}
and can be queried with something like:
SELECT mean("gravity") AS "mean_gravity" FROM "pitch"."autogen"."tilt" WHERE time > :dashboardTime: AND time < :upperDashboardTime: AND "color"='purple' GROUP BY time(:interval:) FILL(previous)
Examples
See the examples directory for:
- InfluxDB Grafana Dashboard
- Running Pitch as a systemd service
- pitch.json configuration file
Name
It's an unofficial tradition to name tech projects using nautical terms. Pitch is a term used to describe the tilting/movement of a ship at sea. Given pitching is also a brewing term, it seemed like a good fit.
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