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MQTT LED Matrix Display
My MQTT network at home moves up and down a lot of messages: sensor values, triggers, notifications, device statuses,… I use Node-RED to forward the important ones to PushOver and some others to a...
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AiLight – A hackable RGBW light bulb
Some weeks ago a tweet by Manolis Nikiforakis (@niki511) with the #ESP8266 hashtag drew my attention. Manolis had just received a “smart lamp” branded by Ai-Thinker, the AiLight. Yes, the same...
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ESPurna smart socket
After a busy month I decided to spend some energy on doing hardware instead of software and the result was the ESPurna board I posted about just yesterday. The goal was to have a device based on the...
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Itead Studio Sonoff SC Revisited
A few months ago I wrote about the Sonoff SC sensor hub by Itead Studio. It’s a device with a Sharp GP2Y1010AU0F [Aliexpress] dust sensor, a DHT11 humidity and temperature sensor, an LDR as light...
View ArticleSecure remote access to your IoT devices
When you are hacking with IoT devices at home you get to face the challenge of accessing remotely to them, that is from outside your home network. I’m not saying your home network is a safe place,...
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Using Google Assistant to control your ESP8266 devices
In my last post I tried to explain how to access your IoT devices at home from the Internet in a secure way using a reverse proxy. Truth is that I had it running since maybe 6 months ago without giving...
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Hacking the Sonoff RF Bridge 433
Itead Studio has been releasing interesting gadgets for the Home Automation community based on a low price tag and extreme hackability. You can google “sonoff” (the main brand for Itead Studio home...
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Sonoff B1, lights and shades
Six months ago I was reviewing the AiThinker AiLight, a great looking light bulb with an embedded ESP8266EX microcontroller, driven by a MY9291 LED driver. Just before summer IteadStudio released it’s...
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Useful notifications from your home appliances using Node-RED
Some time ago I worked on a home project to get a notification when my washing machine had done its job based on monitoring its power consumption. There was a good reason for that, the machine was...
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Monitor your TTN gateways with Node-RED
This time I’d like to write a quick post about a small project we’ve been working on at the The Things Network community in Barcelona (@ttncat). We were worried about the monitoring of the gateways we...
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