A few days ago the Hackaday Prize 2021 was announced. It became clear to me […]
Read more
At the moment it has become a little quieter here on Nerdiy.de. That was because […]
Read more
I am currently working on a project that unfortunately exceeds the capabilities of my 3D […]
Read more
MP3 players, smartphones and USB sticks with 128GB and more memory are now part of […]
Read more
The APDS-9960 is a sensor that can be connected to a microcontroller such as the […]
Read more
While setting up the suction system for my soldering station and the chamber of my […]
Read more
At the moment I am working on a few PCB projects in which I would […]
Read more
I am not sure whether ESPs can really be abused to set up a botnet. […]
Read more
So that my MagicMirror is only switched on when I actually use it, I have […]
Read more
I also needed a suitable hose system to build my solder fume extraction system. After […]
Read more
So that I can switch off my 3D printer automatically after the printing process, I […]
Read more
The VL53L0x or its sister / brother, the VL53L1X is a very precise and relatively […]
Read more
The BME280 is one of the sensors that I use in almost all of my […]
Read more
ESPEasy can read out a large number of different sensors and / or control actuators […]
Read more
I recently built an extraction system for my soldering station and the chamber of my […]
Read more
Especially if your own circuit has a display to show values, the next step is […]
Read more
The PCA9685 is quite a practical IC. This is connected to the microcontroller (e.g. ESP8266) […]
Read more
What I really appreciate about Spotify is the good connectivity. You can play or control […]
Read more
Mit NodeRed bzw. den passenden Nodes könnt Ihr sehr leicht Daten aus dem Internet abrufen […]
Read more
The 3D printed housing of the “pxlDigits” was initially not intended to be “just” a […]
Read more
For another project I urgently needed a relatively large number to indicate a duration. From […]
Read more
There are some situations in which connecting an LDR to an ESP makes sense. In […]
Read more
I started with the documentation of the pxlBlcks (which I had been postponed for a […]
Read more
Actually not one of the typical articles for Nerdiy.de, but recently I was looking for […]
Read more
When looking for a foot rattle to accompany guitar playing, I had the same problem […]
Read more
The pxlBlck_RingClock is very similar to the pxlBlck_SlotClock. It is also built using a 1 […]
Read more
The pxlBlck_8x8 was one of the first members of the pxlBlck family. Thanks to the […]
Read more
The idea for the pxlBlck_Pot is heavily inspired by a design that Lukas (@i_am_lukas) had […]
Read more
The pxlBlck_SlotClock consists of a 1×60 LED matrix. It can display the time in the […]
Read more
I started developing the pxlBlcks because I was looking for a way to stay informed […]
Read more
The pxlBlck plugin for the ESPEasy framework is the “software counterpart” to the pxlBlck platforms. […]
Read more
The pxlBlck plugin and the functions of your pxlBlck can be configured in two different […]
Read more
With the pxlBlck you can be informed about events in different ways. One of these […]
Read more
The adjustable dials differ from the type of LED matrix used. Unfortunately, this is the […]
Read more
If you not only want to stay informed about events with your pxlBlck and also […]
Read more
pxlBlck is a system of hardware and software to set up an information system for […]
Read more
Thanks to WiFi and thus (often) an internet connection, an ESP8266 or ESP32 programmed with […]
Read more
For a camping trip I was looking for a cheap and bright fairy light. This […]
Read more
During the construction of a chain of lights, I was faced with the problem of […]
Read more
Lately I’ve been working on various PCB projects and I would like to introduce a […]
Read more
In the past few weeks I’ve had the problem that my freezer door didn’t close […]
Read more
The PCA9685 is a PWM port expander. This makes it possible to connect up to […]
Read more
The RaspberryPi can be equipped with a speaker in various ways. The easiest way is […]
Read more
In the article RaspberryPi – Install “Shairport” Airplay-server on the RaspberryPi, I described how you […]
Read more
Anyone who uses one (or more) Apple devices is certainly familiar with the AirPlay function. […]
Read more
A few days ago the Hackaday Prize 2021 was announced. It became clear to me relatively quickly that I would like to try to submit a few of my projects […]
Read more
At the moment it has become a little quieter here on Nerdiy.de. That was because I was working harder on developing a few new projects. Unfortunately, caring for the website […]
Read more
I am currently working on a project that unfortunately exceeds the capabilities of my 3D printer. So far I was able to print all the necessary components on my 3D […]
Read more
MP3 players, smartphones and USB sticks with 128GB and more memory are now part of everyday life. Storing and transporting music has therefore never been easier. About 30 years ago […]
Read more
The APDS-9960 is a sensor that can be connected to a microcontroller such as the ESP8266 via the I2C bus. With the help of the sensor it is possible to […]
Read more
While setting up the suction system for my soldering station and the chamber of my 3D printer, I was faced with the problem that I had to somehow split the […]
Read more
At the moment I am working on a few PCB projects in which I would like to give you a little insight here. 🙂 All of the boards presented in […]
Read more
I am not sure whether ESPs can really be abused to set up a botnet. Either way, you shouldn’t neglect the issue of security, even with the small ESPEasy devices. […]
Read more
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 […]
Read more
I also needed a suitable hose system to build my solder fume extraction system. After a little trial and error, I decided to use the standard exhaust air hoses. These […]
Read more
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 […]
Read more
The VL53L0x or its sister / brother, the VL53L1X is a very precise and relatively inexpensive laser distance sensor. With this, distances can be measured almost at millimeter-accuracy. In one […]
Read more
The BME280 is one of the sensors that I use in almost all of my projects. With this sensor one can not only measure the temperature. The air humidity and […]
Read more
ESPEasy can read out a large number of different sensors and / or control actuators (see also ESPEasy – Sensors & Actuators). With the help of the “Rules” it is […]
Read more
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 […]
Read more
Especially if your own circuit has a display to show values, the next step is often to connect an interface option. You can connect buttons or switches. A relatively cool […]
Read more
The PCA9685 is quite a practical IC. This is connected to the microcontroller (e.g. ESP8266) via I2C and can then control up to 16 individual PWM channels. You can control […]
Read more
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 […]
Read more
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 […]
Read more
The 3D printed housing of the “pxlDigits” was initially not intended to be “just” a 7-segment display with WiFi. Originally I used it to build a kind of timer from […]
Read more
For another project I urgently needed a relatively large number to indicate a duration. From this this small “sub-project” emerged. Because with the 3D printed frame described here and a […]
Read more
There are some situations in which connecting an LDR to an ESP makes sense. In this way, the brightness in a room can be measured relatively easily and for little […]
Read more
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 […]
Read more
Actually not one of the typical articles for Nerdiy.de, but recently I was looking for a tambourine that I could operate myself while playing the guitar. Long story short: Everything […]
Read more
When looking for a foot rattle to accompany guitar playing, I had the same problem as with the foot tambourine. So again: do it yourself. 🙂 Instructions for building your […]
Read more
The pxlBlck_RingClock is very similar to the pxlBlck_SlotClock. It is also built using a 1 × 60 LED matrix and can display the time according to the same scheme as […]
Read more
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 set up fairly quickly […]
Read more
The idea for the pxlBlck_Pot is heavily inspired by a design that Lukas (@i_am_lukas) had created. He agreed that I can use his basic design. Thanks again for that. 🙂 […]
Read more
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. […]
Read more
I started developing the pxlBlcks because I was looking for a way to stay informed about events in the SmartHome. There are now two options integrated into the pxlBlck plug-in. […]
Read more