MQTT Archive - nerdiy.de - DIY, electronics, 3D printing and more...

HowTo: Node Red - Controlling GPIO of an ESPEasy device

Posted on 30. March 2022 by Fab

EspEasy and Node Red each offer some automation possibilities on their own. But you get even more possibilities if you combine both systems. In the article ESPEasy - [...]

HowTo: ESPEasy - Configure MQTT Server and Subscribe to Topics

Posted on 9. February 2021 by Fab

ESPEasy can now read out very many different sensors and / or control actuators (see also ESPEasy - Sensors & Actuators). With the help of the "Rules" can then locally on the ESP [...]

HowTo: pxlBlck - Building the pxlBlck_RingClock

Posted on 18. December 2020 by Fab

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 [...]

HowTo: pxlBlck - build pxlBlck_8x8

Posted on 13. December 2020 by Fab

The pxlBlck_8x8 was one of the first members of the pxlBlck family. Thanks to the few parts and the prefabricated WS2812 8×8 LED matrix it is quite fast to build and thanks to the adapter board it offers [...]

HowTo: pxlBlck – design icons, transfer them to the pxlBlck and display them

Posted on 12. December 2020 by Fab

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 [...]

HowTo: Tasmota – flash firmware

Posted on 7. March 2019 by Fab

Besides the hardware, the right software for your project is of course just as important. A practical and universally applicable firmware for the forest-and-meadow microcontroller ESP8266 is the Tasmota firmware. With it you can [...]

HowTo: Tasmota – WS2812 light chain to build yourself

Posted on 27. February 2019 by Fab

From the construction of the world map lamp I still had a few plastic lamp housings over. These lay long lonely on the shelf around, until I came to the idea of a small RGB light chain with [...]

HowTo: RaspberryPi – Install MQTT Server on the RaspberryPi

Posted on 22. February 2018 by Fab

MQTT (Message Queue Telemetry Transport) is the protocol that is becoming more and more important in the world of Internet of Things. With this protocol it is very easy to transfer different data between different [...]...

HowTo: Install FHEM – MQTT module

Posted on 12. February 2018 by Fab

In the article RaspberryPi - Install MQTT Server on the RaspberryPi I had written a little bit about MQTT and explained how to install an own MQTT server on the RaspberryPi. With this [...]