In recent weeks, I have often had the problem that my freezer door did not close properly. This resulted in at least one night when the refrigerator door did not close for almost seven hours [...]
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Category: Raspberry Pi
All tips and articles incl. material lists around the topic Raspberry Pi.
HowTo: Raspberry Pi – Configure default speakers
The RaspberryPi can be equipped with a speaker in different ways. The easiest way is the connection via the 3.5mm jack plug. There is also the option of connecting the sound via the [...]
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HowTo: Raspberry Pi - Use Raspberry Pi with "Raspotify" as a Spotify speaker
In the article RaspberryPi - "Shairport" Install Airplay on the RaspberryPi I described how you can extend your RaspberryPi relatively easily with the function of an AirPlay speaker. Thanks to a [...]
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HowTo: Raspberry Pi – Install “Shairport” Airplay on the Raspberry Pi
Everyone who uses one (or more) Apple devices surely knows the AirPlay function. Thanks to this, media of all kinds can be streamed to other devices in the network. This way, you can share photos on a [...]
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HowTo: Node Red – Pushbullet notification for SSH login
From the FritzBox I am used to being notified as soon as someone logs on to my FritzBox. I think this is a great security feature. At some point I thought that it [...]
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HowTo: Tasmota – Flash firmware with TuyaConvert
Flashing devices with the ESP8266 is already described in the article ESP8266 - flashing .bin files under Windows with the "Esptool". Many ready SmartHome devices such as various sockets [...]
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HowTo: Node Red – Control the FritzBox radiator thermostat from Node Red
I recently ordered one of the DECT radiator thermostats for the FritzBox out of curiosity. As usual with the Fritz products, installation and commissioning was super easy. For attachment and setup [...]
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HowTo: Node Red - Restarting the FritzBox from the dashboard
It doesn't happen often, but sometimes a reboot of the FritzBox helps to fix problems in the network or with the internet connection. To restart the FritzBox there are [...]
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HowTo: Electronics - nanoPxl V1.1 SMD components soldering
Currently I am working on the first preparations of a somewhat larger project. For this I need LEDs which shine a little brighter. At the same time I did not want to give up the comfort of the known [...]
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HowTo: Node Red – Automatically save the Node Red journal after starting Node Red (for debugging purposes)
Recently I had a problem with NodeRed that causes the NodeRed process to crash sometimes. This is not a big deal since it restarts automatically. On the [...]
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HowTo: Node Red – Show Linux login history
That with the help of NodeRed almost all Linux commands can be executed is known by now. What makes the whole thing particularly practical, however, is that you can then also process the [...]
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HowTo: Raspberry Pi – rotate screen output
Especially if you have connected an external monitor, it can happen that you are faced with the problem of wanting to rotate the screen output. A typical use case is, for example, when you want to [...].
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HowTo: Node Red – Shutdown and restart Raspberry Pi
Another practical thing in NodeRed is that you can also easily trigger common Linux commands via NodeRed node.
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HowTo: FritzBox - Fix error "TypeError: Cannot read property 'actions' of 'undefined'" in the "node-red-contrib-fritz" node
For some time now I have had the problem that my "node-red-contrib-fritz" node cannot establish a connection to my FritzBox. Nothing had actually changed in the overall configuration. Nothing except [...]
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HowTo: ESPEasy – level sensor with VL53L0X / VL53L1X
I recently stumbled across the VL53L0X and VL53L1X TOF distance sensors. These sensors can determine distances with millimeter accuracy using a laser. Thereby they have a range of up to 4 m [...]
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HowTo: GitHub - How do I copy files from a Git repository to my computer
Especially in the open source world, you will sooner or later stumble across GitHub, GitLab or something similar with "Git" in the name when searching for program code. Behind this are various [...]
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HowTo: FHEM - structure, modules & things worth knowing
After I had installed FHEM for the first time and the configuration page was really accessible, the euphoria was great. After I had clicked around a bit on it, this euphoria was quickly [...]
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HowTo: Node Red / FritzBox – Display caller list in the dashboard
In addition to caller ID, you can also display the caller log of the Fritzbox in NodeRed. How to do this is explained in the following article. Prerequisites Helpful articles:To apply this configuration [...]
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HowTo: Node Red / Tasmota – A “dead man switch” or how to use the absence of status messages as an event
I must admit I've never seen them before, but there are supposed to be so-called dead man's switches on trains. These switches with the somewhat macabre name are a whole sensible invention. [...]
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HowTo: Node Red – Integrate Sonoff 433Mhz RF Bridge
In the two articles Sonoff 433Mhz RF Bridge with Tasmota Firmware flashing and Tasmota - Sonoff 433Mhz RF Bridge configuring and sockets teaching is explained how to configure the Sonoff RF Bridge to the [...]
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HowTo: Node Red – Get current weather data from OpenWeatherMap
You don't always have the possibility to measure environmental data such as the outside temperature directly. Nevertheless, sometimes it is practical. For example, you can make sure that the radiators inside [...]
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HowTo: Node Red - Send Email on Events
E-mails are (I believe) one of the oldest means of communication on the Internet. In the smart home sector, however, they do not play a major role. Push services - such as [...] - are often preferred for fast and direct data exchange.
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HowTo: Node Red – Display IP Cam Images in Dashboard
If you have installed an IP camera in your network - or elsewhere - you can also display the camera image in the dashboard of NodeRed. How this works [...]
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HowTo: Raspberry Pi – Control the Raspberry Pi via VNC
Besides SSH, you can also control the RaspberryPi via the VNC protocol. Thereby you access the graphical user interface. And you can use the graphical user interface of the RaspberryPi without a [...]
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HowTo: Raspberry Pi - Fix "SSH does not respond" or "is very slow" problem
The other day, after reinstalling Raspian on the RaspberryPi, I had the problem that access via SSH was agonizingly slow. Most of the time, you could still get the username and password [...]
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HowTo: Magic Mirror – Show current traffic overview
A cool and practical plugin for the MagicMirror is the "MMM-GoogleMapsTraffic" plugin. This shows you the status of the current road traffic in your area. How to install this is described in the [...]
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HowTo: Node Red - Set up a "welcome boost" for the heating when a new person is present
Non-tech-savvy flatmates in particular are usually skeptical about this whole SmartHome thing. People are constantly asking questions like "But why do you need that?" or "And it's so important that [...]
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HowTo: Magic Mirror – Installation of the required software
A MagicMirror consists of an important part of software besides the obvious mirror&screen. There are now some good software packages for this. The best one in my opinion is the one from Michael Teeuw. He has developed the for [...]
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HowTo: Node Red – Control devices with Apple HomeKit and read sensors
You can swear about Apple devices or idolize them, but what Apple has done very well is to integrate SmartHome components into their operating systems. Thus, iOs inherently brings a [...]
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HowTo: Node Red – Integrate 433Mhz SOS button
In the article about the 433Mhz mini-button I had already reported on my forays through the wonders of the electronic product world. In the process, I also noticed a 433Mhz SOS button, which probably [...]
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