The PCA9685 is a quite practical IC. It is connected to the microcontroller (for example ESP8266) via I2C and can then control up to 16 individual PWM channels. So you can [...]
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Tag: SmartHome
HowTo: Node Red – Control Spotify from NodeRed
What I really like about Spotify is that it's very networkable. You can play or control music or podcast on another device with just a few clicks. Thanks to the free possibility [...]
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HowTo: pxlBlck - Building the pxlBlck_RingClock
The pxlBlck_RingClock is very similar to the pxlBlck_SlotClock. It is also built with the help of a 1×60 LED matrix and can display the time according to the same scheme as the pxlBlck_SlotClock. However, the [...]
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HowTo: pxlBlck – design icons, transfer them to the pxlBlck and display them
I started developing the pxlBlcks because I was looking for a way to stay informed about events in the SmartHome. In the meantime there are two in [...]
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HowTo: pxlBlck – Install and configure the pxlBlck plugin
The pxlBlck-plugin for the ESPEasy framework is the "software counterpart" to the pxlBlck platforms. With the plugin you can easily control the installed LED matrices and with the help of the other functions is relatively [...]
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HowTo: pxlBlck – Commands for configuring the pxlBlck
The pxlBlck-plugin or the functions of your pxlBlck can be configured in two different ways. One way is to configure most of the functions via the plugin's web menu. Many infos [...]
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HowTo: pxlBlck – configure clock faces and screen savers
The adjustable dials differ from the type of LED matrix used. Unfortunately, this is because different matrix sizes allow or do not allow different displays. Nevertheless, to give you a small overview [...]
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HowTo: pxlBlck – Automatic adjustment of the display brightness via LDR
If you not only want to stay informed about events with your pxlBlck and also use it to display the current time, then you may have already noticed that a fixed [...]
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HowTo: Node Red - Fridge Door Monitoring Using Energy Consumption
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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HowTo: Tasmota – Flash Sonoff iFan03 with Tasmota firmware
There are some practical modules in the Sonoff range. Among them is the "Sonoff iFan03". This is actually intended to control ceiling fans and a connected lamp via remote control and WLAN [...].
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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: Tasmota – Set off-delayed after-running of a relay
The overrun of a relay is actually a quite often used function. Unfortunately, this is (at least until today) not so easy to realize with the Tasmota relays. A practical use case [...]
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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: 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: 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: 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: Node Red – Control Facebook(*) lamp
In the article NodeRed/Tasmota - Building a Facebook(*) Icon Lamp is explained how you can build your own Facebook(*) lamp. The goal is to link this later with your SmartHome and for example [...]
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HowTo: Node Red – Supply Nerdiys PanelMeter with weather data
In the articles Retro-SmartHome-Display via Analog-Anzeigen selber bauen and ESPEasy - NerdiysPanelMeter-Plugin installieren und konfigurieren we described what you have to do to build your own Retro-SmartHome-Display. If nu everything [...]
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HowTo: Node Red – Control WhatsApp(*) lamp
In the article NodeRed/Tasmota - Building a WhatsApp(*) icon lamp is explained how you can build your own WhatsApp(*) lamp. The goal is to link this later with your SmartHome and for example [...]
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HowTo: Node Red – Control Instagram(*) lamp
The article NodeRed/Tasmota - Building an Instagram(*) Icon Lamp explains how you can build your own Instagram(*) lamp. The goal is to link this later with your SmartHome and for example [...]
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HowTo: ESP Easy – Install and configure NerdiysPanelMeter plugin
In the article Retro-SmartHome-Display via Analog-Anzeigen selber bauen the assembly of an own Retro-SmartHome-Display was explained. But unfortunately even the best hardware is nothing without the right software. So you can use the [...]
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HowTo: Node Red - Create a user interface with dashboard nodes
I don't know if dashboards are THE (one) means to make a nerd's heart beat faster, but certainly they are a means to make a nerd's heart beat faster [...]
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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's 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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