Hydroponics project with Rpi PH EC and the works (In progress)

[shramik_salgaonkar]

@pihydro.0001

I’m just scared to actually use cayenne for that since sometimes I click the on/off button and it might take 1 second or it might take 5-6. with a motor running that would be a big difference esp on a 20 gallon DWC tank.

you dont have to be scared. As whether it is 1 sec or 5-6 second, it is the time for the data to reach your device. So when this data is reached start your motor.

@pihydro.0001

What I really want is to be able to add buttons/tiles that execute scripts\path on the pi that would be amazing I’m going to look into that tonight.

have a look at this.

Executing custom code on your Raspberry Pi from Cayenne

A frequent question on the forum has been how Raspberry Pi users can run any code on their Pi, triggered from a Cayenne action or widget. This is possible with your Pi connected through our ‘Bring Your Own Thing’ MQTT API, so I’ve made a quick guide to show how to do this. Setup For this example to work, your Pi must be connected to Cayenne via the MQTT API rather than via the original Cayenne Pi Agent software. To do this, follow the ‘Installation’ and ‘Cayenne Setup’ instructions for …