Category

Node-RED

GardenPi – a garden watering solution built on Raspberry Pi, MQTT and Home-Assistant.io [Part 4/4]

Following on from PART 3 Now that Home Assistant is aware of the Garden Zones, we can “program” some automations in Node-Red. For now I’ve only implemented a rudimentary little flow: I have 4 different flows to handle each of… Continue Reading →

GardenPi – a garden watering solution built on Raspberry Pi, MQTT and Home-Assistant.io [Part 3/4]

Continued from PART 2 With all the puzzle pieces in place, now we can make Home-Assistant aware of the Garden Zone “switches”, so we can program and use the in automations. In the switches.yaml file (remember I split the configuration… Continue Reading →

GardenPi – a garden watering solution built on Raspberry Pi, MQTT and Home-Assistant.io [Part 2/4]

So in GardenPi – PART 1 I covered the hardware & software configs to get going, but that’s not all yet 🙂 We now have a Raspberry Pi running MQTT and we can switch the GPIO pins by sending messages… Continue Reading →

GardenPi – a garden watering solution built on Raspberry Pi, MQTT and Home-Assistant.io [Part 1/4]

We currently have an off-the-shelf garden watering solution [Hunter], but I’d like to have more control of when, etc. the irrigation is switched on. I used the following items in my solution: Hardware: Raspberry Pi 2 B+ [using a 16GB… Continue Reading →

Node-RED flow for Geyser management using Sonoff switches and Home Assistant

We have 2 geysers (for other parts in the world it’s called water heaters :-)) in our house and to save some energy (& money), we want to manage when these geysers are switched on. Typically a geyser will run… Continue Reading →

Sonoff Wifi Switches – Flashing it with Tasmota Over-The-Air (OTA)

A friend of mine recently introduced me to the Sonoff switches – affordable, easy to use AND RE-programmable ! [Thanks Cliff ;-)] I got the Sonoff Dual switch, which allows you to switch 2 separate appliances/devices from 1 Wifi switch…. Continue Reading →

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