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HowTo: MagicMirror - Build your own MagicMirror
When I moved into a new apartment, I was faced with a new (absolutely luxury) problem. My old MagicMirror, which I had previously installed in my bathroom cabinet [...]
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HowTo: Anemosens - Building a 3D printed anemometer (wind sensor)
To be honest, the idea of a 3D printable wind sensor ("anemometer" in technical jargon) has been floating around in my head for quite a long time. Initially, I could have used it as a [...]
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HowTo: PCB - Build ButtonBoard PCB V1.2
The ButtonBoard PCB is my attempt to kill several birds with one stone. On the one hand, I was always looking for a universal [...]
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HowTo: PCB - Anemosens_MCU PCB assembly
With the Aenmosens_MCU board, it is possible to use Anemosens as a stand-alone anemometer that can be used for long-term observations in remote areas (hence the microSD card slot) or as another part [...]
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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. [...]
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HowTo: PCB - Building the pxlDigit_PCB
The idea for the pxlDigit_PCB came to me during the construction of the pxlDigit (article here: https://nerdiy.de/howto-elektronik-sieben-segment-ziffer-pxldigit-aus-ws2812-leds-bauen/). There the pxlDigit is built from single WS2812 LED segments. For this the [...]
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HowTo: PCB - pxlBlck_multiPCB
One of my past PCB projects is the "pxlBlck_multiPCB". As the name suggests this PCB is the heart of several future pxlBlck variants. So far I have used as [...]
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HowTo: pxlBlck - build pxlBlck_CassetteLamp
Meanwhile, MP3 players, smartphones and USB sticks with 128GB and more memory are part of everyday life. Storing and transporting music is therefore easier than ever [...]
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HowTo: 3D Printing - Building a servo controlled 125mm butterfly valve
I recently built an exhaust system for my soldering station and the chamber of my 3D printer. The built exhaust system has two connections. One sucks [...]
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HowTo: Electronics - Building a seven-segment digit "pxlDigit" from WS2812 LEDs
For another project, I urgently needed a relatively large number to display a time duration. This ultimately resulted in this small "sub-project". Because with the [...]
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HowTo: pxlBlck - Display relative values as BarGraph
I started documenting the pxlBlcks (which I had been putting off for a long time) in November 2020 after Hackaday.com announced the "GoodBye 2020" challenge. (More info on this [...]
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HowTo: pxlBlck - Building the pxlBlck_RingClock
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 the [...]
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HowTo: pxlBlck - build pxlBlck_8x8
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 [...]
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HowTo: pxlBlck - build pxlBlck_Pot
The idea for the pxlBlck_Pot is strongly inspired by a design that Lukas (@i_am_lukas) had created. He agreed to let me take over his design. Many [...]
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HowTo: pxlBlck - build pxlBlck_SlotClock
The pxlBlck_SlotClock consists of a 1×60 LED matrix. So it can display the time according to the same scheme as an analog clock. The colors of the [...]
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pxlBlck - An IOT/SmartHome Information System
pxlBlck is a system of hardware and software to build an information system for the SmartHome. Various software and hardware options are available. Thanks to the [...]
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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 [...]
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WinDIY - The wind turbine from the 3D printer
On a camping trip away from modern infrastructure, one quickly notices how much one has actually become accustomed to the fact that electricity is always and everywhere somehow [...]
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HowTo: ESPEasy / Wemos D1 Mini - Adapt ADC to a different maximum voltage
With the help of the ADC on the ESP8266 you can measure voltages. This is useful for example to measure a battery voltage and thus the charge state of the battery or [...]