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Listing posts for 2018

Arduino WIFI Roller Door

Posted by Chris

Date posted:

My garage is detached from the house and is currently too inconvenient to run ethernet to it. So for this project I decided to use an Arduino conpatible wifi shield for the communication, combined with a 4 channel relay module for the switching. From what I understand it's common for...

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NodeRed HomeKit Characteristics reference

Posted by Chris

Date posted:

NodeRed's HomeKit package has a distinct lack of documentation and/or examples which I found to be a bit of a roadblock. This post aims to remedy the situation. What follows is a list of Services and Characteristics that can (and how to) be implemented. See examples. Characteristics AirQuality Active BatteryLevel...

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Arduino WIFI enabled lamp

Posted by Chris

Date posted:

Using Sonoff, a wifi enabled AC mains relay switch, I upgraded my bedside lamp to be controllable by my home automation system - A Raspberry Pi running Node-RED with HomeKit nodes communitcating to the Sonoff via MQTT. And with a capacitive touch sensor. Arduino IDE You'll need to install additional...

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Multi-function buttons

Posted by Chris

Date posted:

I've written an Arduino library for multi-functional buttons: single-press, double-press, and press-hold events. View code at github.com I've got it in use with these LED illuminated push buttons created by www.superhouse.tv to control my house's LED downlights: Single press: toggle on/off. Double press: toggle warm/cool white. Press-hold: dim up/down. Example...

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