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A closer look at the H801 LED WiFi Controller

Some weeks ago I talked about the Magic Home LED Controller as I was adding support for it in my ESPurna firmware. At the time a user pointed me to the H801 Led WiFi Controller by Huacanxing. The user...

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Embed your website in your ESP8266 firmware image

A few months ago I wrote about the process I was using to optimize my website files for SPIFFS prior to upload them to the ESP8266. The goal was to reduce the number and size of the files to help the...

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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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Connected power meter

A few weeks ago a user came with a request to add support in ESPurna to a power meter that had been hacked by Karl Hagström. It is a very cheap chinese power meter with plenty of room on the inside,...

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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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Yet another WiFi light bulb

Eight months ago I reviewed and hacked the AiLight WiFi light bulb by AiThinker. By the time there was a number of people doing the same because of a key reason: it sports an ESP8266 microcontroller...

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Sonoff S31, a world apart

It’s not that other Sonoff products are not “serious” business, but there are a number of design changes in the Sonoff S31 that make this new product a world apart. For the functional point of view it...

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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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Automated unit testing in the metal

Unit testing your code is peace of mind. It has two main direct benefits that impact on your confidence about the code you are writing: Testing expected behaviors Avoiding regressions (i.e. breaking...

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