I created several interesting projects in the last years. Browse the list below and get inspiration to build something new.

Three Ways to Integrate LED Light Into the Modular Lantern
After creating the modular lantern system, I experimented with different cheap ways to integrate LED lights into it and turn ...

The 3D Printed Modular Lantern
I designed a very modular 19th-century-style lantern. You can print it in its simplest form as a simple candlelight to ...

Build a Sustainable Refillable Active Coal Filter
If you ever used air filters to keep smells, fumes and dust at a low level in your workshop, you ...

How to Create a Large 3D Printed Artwork
I recently built a relatively large (100cm × 80cm) 3D printed artwork, which features a painted relief of mathematical functions ...

Adafruit PowerBoost 1000C Enclosure (LR2165)
I made a simple 3d printed enclosure for Adafruit's PowerBoost 1000C and a 1200mAh or smaller LiPo battery. This post ...
![19" Rack Fan Controller [1/2]](https://i0.wp.com/luckyresistor.me/wp-content/uploads/2021/03/lr_20210314_011.jpg?fit=640%2C360&ssl=1)
19″ Rack Fan Controller [1/2]
When I migrated several servers into a new server rack, I put my Arduino Uno based fan controller into a ...

Let’s Print a Cat/Pet Feeding Device
On this page, you find all links to the posts of this project. Part 1 - Print the gearbox and ...

Quick 4h Build – PID Fan Controller
I added a fan and temperature controller to my printer enclosure with this quick 4h build. You may need to ...

Simple Box with Lid for 3D-Print
Sometimes, you only need a simple box with a lid for your gift or to store your cookies. I designed ...

Storage Boxes System for 3D Print
This page describes my storage/assortment boxes system: Designed by a perfectionist with deep care for every detail. Thoroughly tested and ...

Candlelight Effect
Here I briefly document a very realistic candlelight effect you can build with very few components. It works best if ...

Tiny Particle Sensor Node with Decorative Case
This article is about a small sensor node with a decorative case. It is based on the Raspberry Pi Zero ...

How to Automate the Turn-On Time of a Deco Light
I own a decorative light for the winter which I controlled using a simple time switch in the past. The ...

Snowflake Decoration
This the main project documentation page for the snowflake project. Description The snowflake project is a winter decoration consisting of ...

Snowflake Power Converter
I designed a very simple power converter for the snow flake decoration. The snow flake boards require 3.3V, a voltage ...

Cat Feeder Device (Quick Build)
I finished a very simple and quick project recently. It is a programmable cat feeder device. The device is just ...

How to Design a Cheap Plant Watering Sensor (Part 1)
In this article I will talk about how I designed a cheap plant watering sensor. My goal is some kind ...

Five Light Spheres
This page describes the "five light spheres" project, which is the perfect decoration for this Winter. The spheres always display ...

Boldport Project “PissOff”
This page explains several aspects of the software used in the Boldport project #9 "PissOff". It also describes the commands of ...

Fan Controller
Preface Very Short Summary: The fan controller described on this project page, controls one or more PWM controlled 12V PC ...

Outmoded Sequencer (Part 1)
This is the first part of this project describing the prototype. See part 2 for the final device. Table of ...

Table Light
This is a very short tutorial, how to create a simple but beautiful table light. It will be less detailed ...

Data Logger Deluxe
Preface I started the data logger project, because I tried to figure out if I can store my documents down ...

Data Logger
Can you store documents in a box down in your root cellar with 80% humidity? How is the climate in your ...

Lucky World – A jump’n’run game for MeggyJr RGB
Today I release a full featured jump'n'run game for the MeggyJr RGB platform. It has an intro, a level map ...

Xmas Decoration
The days are getting shorter. You do not have to fear the dark, this is the right time to create ...

Cat Protector
If you own a cat, you know even if your cat is well brought-up, laws are only valid as long you ...