So that my MagicMirror is only switched on when I actually use it, I have configured a small automation using NodeRed. The screen is only switched on if movement is […]
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Category: Node Red
In the Node Red category you will find all articles about Node Red. The configuration, operation and examples are described there.
HowTo: Node Red – Trigger actions via Windows shortcut / mouse click
So that I can switch off my 3D printer automatically after the printing process, I installed a Sonoff relay so that it can interrupt the power supply to the entire […]
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HowTo: 3D printing – Build a servo-controlled 125mm butterfly valve
I recently built an extraction system for my soldering station and the chamber of my 3D printer. The built extraction system has two connections. One of them sucks the air […]
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HowTo: Node Red – Control Spotify via NodeRed
What I really appreciate about Spotify is the good connectivity. You can play or control music or podcasts on another device with just a few clicks. Thanks to the free […]
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HowTo: Node Red – Display close by gas station prices on the dashboard
Mit NodeRed bzw. den passenden Nodes könnt Ihr sehr leicht Daten aus dem Internet abrufen und aufbereitet anzeigen lassen. Ein praktischer Anwendungsfall dafür ist zum Beispiel der Abruf von Tankstellenpreisen […]
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HowTo: pxlBlck – Display relative values as a BarGraph
I started with the documentation of the pxlBlcks (which I had been postponed for a too long time) in November 2020 after Hackaday.com had announced the “GoodBye 2020” challenge. (More […]
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HowTo: pxlBlck – Build your own pxlBlck_SlotClock
The pxlBlck_SlotClock consists of a 1×60 LED matrix. It can display the time in the same way as an analog clock. The colors of the individual hands can be adjusted. […]
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HowTo: Node Red – Fridge door monitoring by fridge energy consumption
In the past few weeks I’ve had the problem that my freezer door didn’t close properly. As a result, at least one night, the refrigerator door was not properly closed […]
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HowTo: ESPEasy – Use a PCA9685 and ESPEasy to control servos
The PCA9685 is a PWM port expander. This makes it possible to connect up to 16 LEDs, servos or other components to your ESP8266 and supply them with a PWM […]
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HowTo: Node Red – Pushbullet notification at SSH login
From the FritzBox I am used to being notified as soon as someone logs on to my FritzBox. I think that’s a great security feature. At some point I thought […]
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HowTo: Node Red – Control FritzBox thermostat via Node Red
I recently ordered one of the DECT radiator thermostats for the FritzBox out of curiosity. As usual with Fritz products, installation and commissioning were super easy. You don’t even need […]
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HowTo: Node Red – Restart FritzBox via NodeRed Dashboard
It doesn’t happen often, but sometimes restarting the FritzBox helps to fix problems in the network or with the internet connection. There are different ways to restart the FritzBox. You […]
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HowTo: Node Red – Automatic saving of the Node Red journal after starting Node Red (for debugging purposes)
I recently had a problem with NodeRed that caused the NodeRed process to crash sometimes. Not really that bad because it is restarted automatically. On the other hand, it annoyed […]
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HowTo: Node Red – View Linux login history
It is known that almost all Linux commands can be executed with the help of NodeRed. What makes the whole thing particularly practical, however, is that you can then also […]
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HowTo: Node Red – Shut down and restart Raspberry Pi
Eine weitere praktische Sache in NodeRed ist, dass man auch übliche Linux Befehle bequem per NodeRed-Node auslösen kann.
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HowTo: FritzBox – Fix the “TypeError: Cannot read property ‘actions’ of ‘undefined'” error in the “node-red-contrib-fritz” node
For some time now I have had the problem that my “node-red-contrib-fritz” node cannot connect to my FritzBox. What confused me: Nothing really changed in the entire configuration before the […]
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HowTo: ESPEasy – Connect VL53L0X / VL53L1X distance sensor to the ESP8266 / ESP32 and read its data
I recently stumbled across the VL53L0X and VL53L1X TOF distance sensors. These sensors can determine distances with millimeter accuracy using a laser. In addition, they have a range of up […]
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HowTo: Node Red – Control the Facebook(*)-Lamp
The article NodeRed/Tasmota – Building a Facebook(*) Icon Lamp explains how to build your own Facebook (*) lamp. The goal is to link these later with your SmartHome and, for […]
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How To: Node Red – Supply Nerdiys PanelMeter with weather data
In the articles Build a retro-smart home display via analog displays and ESPEasy – Install and configure the Nerdy PanelMeter plugin was described what you need to do to build […]
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How To: Node Red – Control the WhatsApp(*)-lamp
In the article NodeRed/Tasmota – Building a WhatsApp(*) Icon Lamp explains how to build your own WhatsApp (*) lamp. The goal is to link these later with your SmartHome and, […]
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HowTo: Node Red – Control the Instagram(*)-Lamp
The article NodeRed/Tasmota – Building an Instagram (*) icon lamp explains how to build your own Instagram (*) lamp. The goal is to link these later with your SmartHome and, […]
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HowTo: Node Red – Creating a User Interface with Dashboard Nodes
I don’t know if dashboards are THE means to make a nerd’s heart beat faster, but they are certainly one way to make a nerd’s heart beat faster. For those […]
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How To: Node Red / FritzBox – View Caller List in Dashboard
In addition to the caller ID, you can also view the caller log of the Fritzbox in NodeRed. How to do this is explained in the following article. Requirements Helpful […]
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How To: Node Red / Tasmota – A “deadman switch” or how to use the absence of status messages as an event
I have to admit I’ve never seen them before, but there are supposed to be so-called dead-man switches on trains. These switches with the somewhat macabre name are a whole […]
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HowTo: Node Red – Embed and use Sonoff 433Mhz RF Bridge
The articles Tasmota – Configuring the Sonoff 433Mhz RF Bridge and teaching Sockets and Sonoff – 433Mhz RF Bridge flashing Tasmota firmware explain how to prepare the Sonoff RF Bridge […]
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How To: Node Red – Get current weather data from OpenWeatherMap
It is not always possible to directly measure environmental data such as the outside temperature. Nevertheless, it is sometimes practical. For example, you can make sure that the radiators inside […]
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HowTo: Node Red – Send E-Mail on Events
(I think) E-mails are one of the oldest ways to communicate on the Internet. By contrast, they do not play a major role in the smart home sector. For fast […]
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How To: Node Red – View IP Cam Images in Dashboard
If you have installed an IP camera in your network – or elsewhere – you can also have the camera image displayed in the dashboard of NodeRed. How to do […]
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HowTo: Node Red – Set up a “welcome-boost” for the heater on entering the apartment
Especially non-technology enthusiastic roommates are usually skeptical about this whole SmartHome thing. Constantly questions such as “But why do you need that?” or “And that’s so important now that it […]
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HowTo: Node Red – Control devices and read sensors with Apple HomeKit
You can curse or deify about Apple devices, but what Apple has solved very well is the integration of SmartHome components in their operating systems. So iOs brings directly brings […]
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