In the article about the Sonoff SNZB-03 motion detector, I already described how you can use a motion detector to further automate your own SmartHome. Not only lights […]
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Category: Evening project(<2h)
The evening projects category contains all projects from Nerdiy.de that require a maximum of two hours to implement.
HowTo: Zigbee - read 4x wall switches TuYa TS0044 using Node Red
In a large part of my smart home I use the Ikea TRADFRI E1743 buttons. These can be used to conveniently switch up to four devices on and off. Recently I […]
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HowTo: Node Red - Read out the temperature of the FRITZ! DECT Repeater 100
The FRITZ! I recently bought a DECT repeater to improve the range of my DECT phones. Unfortunately, my Fritz Box has to be in the basement, because […]
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HowTo: Fritz Box - Find out the AIN of your SmartHome device
SmartHome devices that are compatible with the FRITZ!Box are addressed via an AIN. This AIN is a unique identification number that is assigned to the respective device. For example, if you use […]
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HowTo: Zigbee - IKEA TRADFRI shortcut button E1812 via zigbee2mqtt into Node Red
The IKEA TRADFRI shortcut button E1812 is the little brother of the Ikea TRADFRI E1743 button. Both are identical in size. The only differences with the shortcut button are that this […]
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HowTo: Zigbee - Integrate TuYa room temperature and humidity sensor TS0201 into Node Red via zigbee2mqtt
I stumbled across the TuYa TS0201 temperature and humidity sensor while looking for a simple humidity sensor. Actually, I was looking for a simple humidity sensor with a display […]
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HowTo: Node Red - Sending push messages using Pushover from NodeRed
So far I have used the Pushbullet Node for notifications from my SmartHome. Unfortunately, the Pushbullet app - i.e. the counterpart on your smartphone with which you receive the messages [...]
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HowTo: Raspberry Pi - Get Linux system information with Neofetch
If you ever find yourself in the situation of having to quickly collect the most important system information about your Raspberry Pi or another Linux system, Neofetch is a very helpful tool. With […]
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HowTo: NodeRed - Automatic freeze alert via pushbullet, pushover or email
For a while I've owned one of those car covers that you put over the car to prevent ice from forming on the windows in cold temperatures. This cover […]
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HowTo: Zigbee - Sonoff SNZB-03 motion detector via zigbee2mqtt into NodeRed
I think a smart home is always really practical when it relieves work or makes life more pleasant. Admittedly, the possibilities are not huge in this regard. But who ever […]
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HowTo: Zigbee - Integrate Ikea TRADFRI E1743 push button via zigbee2mqtt in NodeRed
The IKEA TRADFRI button E1743 is one of the most used buttons in my SmartHome. It is very cheap at (currently) 6 euros per piece and at the same time the quality is very good […]
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HowTo: Zigbee - Register devices or sensors and actuators to zigbee2mqtt
In order for you to be able to use Zigbee devices for your SmartHome, they must of course first be connected to your Zigbee network. This can be implemented in different ways. The easiest way new devices […]
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HowTo: Zigbee - Prepare a Sonoff zigbee 3.0 USB Dongle Plus for zigbee2mqtt
To be able to use Zigbee sensors or actuators to control your SmartHome with zigbee2mqtt you need a Zigbee adapter. This is the interface between Zigbee device and SmartHome system (e.g. NodeRed) and [...]
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HowTo: Zigbee - Migrate a CC2530/CC2531 coordinator under zigbee2mqtt to another coordinator
I've been using zigbee2mqtt for quite a while to integrate Zigbee sensors and actuators into my SmartHome. For a few years I have had one on the CC2530 or CC2531 IC […]
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HowTo: Zigbee - Administration of Zigbee2mqtt via Dashboard
Zigbee2mqtt could initially only be configured and controlled via the configuration file or access to the MQTT server. Meanwhile, however, there is a very useful extension for zigbee2mqtt that makes it possible [...]
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HowTo: Zigbee - Installation of zigbee2mqtt on the Raspberry Pi
Recently I started to convert parts of my SmartHome to the Zigbee standard. In the past, I still used sensors and actuators based on the simple 433Mhz radio. [...]
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HowTo: ESPEasy - Set time synchronization with the DS3231 / DS3232 RTC
Thanks to NTP server ESPEasy is able to retrieve the time via WiFi connection. This possibility can be set up very easily and is described for example here: ESPEasy - NTP time retrieval [...]
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HowTo: NodeRed - Control FRITZ!DECT 500 RGB lamp with the help of NodeRed and FritzBox
Recently I had already tested the DECT radiator thermostat for the FritzBox and integrated it into my NodeRed installation. Therefore, I was of course curious how the FRITZ! DECT 500 RGB [...]
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HowTo: PCB - Building the Anemosens Sensor PCB
The Anemosens sensor PCB is the basis for the sensor setup of Anemosens a 3D printed anemometer that I developed for the second version of WinDIY. For this purpose on the PCB are [...]
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HowTo: 3D Printing - PCBWay.com's Rapid Prototyping Service
I am currently working on a project that unfortunately exceeds the capabilities of my 3D printer. So far, I have been able to print all the required components on the actually quite lush print bed dimensions of 235x235mm on [...]
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HowTo: ESPEasy - Connecting the APDS-9960 gesture sensor to the ESP8266 / ESP32 and reading it out
The APDS-9960 is a sensor that can be connected to a microcontroller like the ESP8266 via the I2C bus. With the help of the sensor it is possible to recognize simple gestures, which [...]
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HowTo: 3D Printing - Building a Y-distributor for a 125mm exhaust hose
While setting up the exhaust system for my soldering station and the chamber of my 3D printer, I was faced with the problem of somehow splitting the intake of the exhaust system into two ways [...]
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HowTo: ESPEasy - ESPEasy - Set up access password, backup and restore configurations
I am not sure if ESPs can really be misused to build a botnet. Either way, security should not be neglected even with the small ESPEasy devices. [...]
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HowTo: Node Red - Turn Raspberry Pi screen on and off
To make sure that my MagicMirror is only on when I really use it, I configured a small automation using NodeRed. So the screen is only turned on when [...]
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HowTo: 3D printing - build your own solder fume extraction hose incl. funnel
For the construction of my solder fume extraction system I also needed a suitable hose system. After some trial and error I decided to use the standard exhaust hoses. These are actually used to connect the [...]
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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 have installed a Sonoff relay so that it can interrupt the power supply to the complete 3D printer. The relay [...]
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HowTo: ESPEasy - Connecting the VL53L0X / VL53L1X distance sensor to the ESP8266 / ESP32 and reading it out
The VL53L0x or its sister/brother, the VL53L1X is a very accurate and relatively inexpensive laser distance sensor. With this, distances can be measured almost to the millimeter. In one of my [...]
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HowTo: ESPEasy - Connecting BME280 / BMP280 to the ESP8266 and reading it out
The BME280 is one of the sensors I use in almost all my projects. With this not only the temperature can be measured. Also the humidity and the air pressure [...]
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HowTo: ESPEasy - Configure MQTT Server and Subscribe to Topics
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 [...]
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HowTo: ESPEasy – connect the rotary encoder to the ESP8266 and evaluate it
Especially if your own circuit has a display to show values, the next step is to also connect a control option. You can connect pushbuttons or switches. A [...]
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