jocasta 0.2.2

Fetch sensor data.

Jocasta

Library to extract data from serial and send it various services.

Quick Start

Installation

pip3 install jocasta

Basic Home Config File

Create a directory in your home directory to store the config file. You can pass in a file at run time but this is the quick start.

cd ~
mkdir .config
cd .config

Create a file called jocasta_config.ini and copy and paste the following into the depending on which services you want.

[io_adafruit]
username = username
key = key
feeds = temperature,light,humidity
measurements = temperature,light,humidity

[influxdb]
host = 192.168.1.100
port = 8086
password = admin
username = admin
database = greenhouses

[file_system]
file_name = /tmp/sensor_data.json

[temperature_ranges]
maximum = 55.0
minimum = -10.0

Running

Start jocasta by add the path of your serial device.

OSX

Command and output

$ jocasta /dev/tty.usbserial-14230
╒═════════════╤══════════╤══════════╤══════════╤════════╕
│ Temperature │ Location │ Moisture │ Humidity │ Light  │
├─────────────┼──────────┼──────────┼──────────┼────────┤
│ 23.2        │ office   │ 568      │ 61.2     │ 5800.0 │
╘═════════════╧══════════╧══════════╧══════════╧════════╛

Raspberry Pi / Linux

Command and output

$ jocasta /dev/ttyUSB0
╒═════════════╤══════════╤══════════╤══════════╤════════╕
│ Temperature │ Location │ Moisture │ Humidity │ Light  │
├─────────────┼──────────┼──────────┼──────────┼────────┤
│ 23.2        │ office   │ 568      │ 61.2     │ 5800.0 │
╘═════════════╧══════════╧══════════╧══════════╧════════╛

Running

A config file can supplied to the command line call using the following:

jocasta /dev/tty.usbserial-14230 /path/to/config.ini

Supported Services

Services and things Jocasta can send data to.

InfluxDB - https://www.influxdata.com

Config

Add the following to your jocasta-config.ini file, making sure you update the values to match your InfluxDB server.

[influxdb]
host = 192.168.1.100
port = 8086
password = admin
username = admin
database = greenhouses

Adafruit IO - https://io.adafruit.com

Adafruit's beta IoT hosted application.

Config

[io_adafruit]
username = username
key = key
feeds = temperature,light,humidity
measurements = temperature,light,humidity

File System

Outputs json to a file on disk. This is handy for other applications to access the data.

Config

[file_system]
file_name = /tmp/sensor_data.json

MQTT

TODO

Kafka

TODO