picay

Simple Raspberry to Cayenne MQTT client

Install mosquitto clients

sudo apt-get update
sudo apt-get -y install mosquitto-clients

Install & Setup

cd
git clone https://github.com/K-Ko/picay.git
cd picay
cp picay.conf.dist picay.conf

Add Device on Cayenne

Go to your Dashboard and Add new ... > Device/Widget

Use CAYENNE API > Bring Your Own Thing

Edit now your config.conf and set your username, password and client id

Note: The username and password is unique for your account, the client id is different for each device.

Test

./picay.sh

Now you should see on Cayenne the connected device.

Add to crontab

crontab -e

*    *    *    *    *    ~/picay/picay.sh &>/dev/null

Selective send

Send all except disk and memory usage (comma separated channel list starting with -)

*/5   *    *    *    *    ~/picay/picay.sh -disk,memory &>/dev/null

Send only disk and memory usage (comma separated channel list)

*/10  *    *    *    *    ~/picay/picay.sh disk,memory &>/dev/null

Extend

Copy metrics/.template.sh to an own script and write your code.

See example for CPU frequency in the template file.

To disable a metrics create a file metrics/<metrics>.disabled.