ESP8266/ESP32

Building a ESP8266-01 flash adapter

If you planning to play with more than 2 ESP8266-01 boards you will need an ESP8266-01 flash adapter. Trust me, you will thank me...

ESP8266 WIFI lights under $5

I'm happy to report that a progress has been made on my WIFI lights project. Now I can turn on and off the ESP8266 WIFI...

ESP8266 ceiling light – demo

I have been working on this for some time now. It took me ages to get to the working prototype of ESP8266 ceiling light, mostly...

NodeRED for beginners

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NodeRED for beginners: 6. Function node

The Function Node is one of the most useful nodes in NodeRED. It's a javascript editor which doesn't do much unless you tell it...
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NodeRED for beginners: 5. Connectivity

I explained how to process the data in the last tutorial, its time to learn how to send the data to NodeRED and how...
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NodeRED for beginners: 4. Data Processing

If you made your first flow already, you know that data is passed between each node. If you want to see this in a simplified example,...
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NodeRED for beginners: 3. Your First Flow

We talked about why you should get NodeRED in the first place, and how to get started with NodeRED, now it's time for your...
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NodeRED for beginners: 2. NodeRED Getting started

You have made the right choice! Investing in the NodeRED server will pay off soon! If you, however, are still not sure why would...