Home Automation

Flashing ESP8266 with NodeMCU (Windows, Linux, Arduino and Raspberry Pi)

Each time when I'm unable to find a coherent guide on a single page within three pages of Google search, I'm creating an article...

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...

Google Home available in the UK

If you, like myself, were keen to get a hands-on experience with the latest Google device and you are in the UK, I have...

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...
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Three ways to send data from Tasker to Raspberry Pi

It's been two years since my Tasker automation profiles are complimented by a Raspberry Pi board. I understand that spending $30-40 on a new...
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Free wireless doorbell (Amazon Dash button hack)

I have been a victim to the 'Sorry, we have missed you...' note way too many times. While this is all good when I'm...

Capacitors for beginners

This guide to capacitors for beginners aims to give you all the knowledge you need for Raspberry Pi and Arduino projects. Capacitors are made to store...

Humidity and Temperature sensor DHT-11 (&DHT-22) for Raspberry Pi and Arduino

Tech details: Supply voltage: 3.3-5V Supply current (running): 0.5mA typ. (2.5mA max.) Supply current (stand-by): 100uA typ. (150uA max.) Temperature range: 0 / +50°C...

Diodes for beginners

This guide to diodes for beginners aims to give you all the knowledge you need for Raspberry Pi and Arduino projects. Diodes are simple electronic...

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...