Let me show you how to build a LED string light inside a bottle which has a little twist to it! You will find the full article with videos and detailed pictures here. Let’s begin with a parts list: One end stop micro switch One TP4056 1S Lipo charge and output controller One LED series resistor One LED string light […]
Rechargable LED Bottle Light
3D printed Stirling Engine Gas Burner Upgrade
Take a look at my upgraded Stirling Engine with its new gas burner and flywheel! Click here for the full blog post! If you take a look at my previous post you’ll see how I built a 3D printed holder for my Stirling Engine kit. Since I needed a constant heat source I added a small gas burner salvaged from […]
3D Printed Stirling Engine Holder
In this article I will show you how I built a 3D printed holder to upgrade my wooden Stirling engine kit. Click here for the full article! I got this Stirling motor set from banggood.com and it costs about 15$. Use this link if you want to take a look! The video above will show you how to assemble the […]
DIY Bluetooth Construction Site Lantern Boombox
This article shows how I built a custom made boombox from an old construction site lantern! Click here for the full post! Let’s start with all the components: One seven segment voltage meter for checking the boombox’s battery (can be found here). One ultra bright 5V 6~8V LED to be added to the lantern’s existing lighting (can be found here). […]
USB LED indicator Power Bank from Laptop Battery
A situation many can relate to: an empty smartphone battery and no outlet around! That’s exactly why I recycled an old laptop battery into an USB power bank. Follow the link for the full article with close ups of the electronics and insights into the building process. This article will show you the basic powerbank circuit consisting of Lithium cell […]
Automated Firecracker Slingshot
Who doesn’t like celebrating new years eve with firecrackers?! But no more numb thumbs from fumbling around with a silly lighter in the cold – the automated firecracker slingshot comes to help! Click here for more. This was a project born out of a long afternoon, spare parts and the will to build something useless but fun: The feeder on […]
Homemade Candy Catapult
In this post I will show you how to build a fun candy catapult! Click here for the tutorial. This project requires basic woodworking skills, so parents help your kids! The first step is gathering all the needed components, tools and materials. You will need the following pieces of wood (all of them have a profile of 48mm*24mm): 4x 44cm […]
Silverlit X-Twin Remote with External Power Supply
I recently stumbled across a lot of small scale RC planes using LiPo batteries and most of them had a charger integrated into the battery powered remote. Why waste batteries on charging when you can use an external power supply? Click here to see the detailed tutorial on how to mod your Silverlit X-Twin remote to support external and internal […]
How To Connect an External Microphone to your Smartphone
With smartphones getting faster and more capable you’d sometimes want to use them instead of buying another piece of equipment. That’s the reason why I wanted to connect an external microphone for audio recordings to my smartphone. Click here and read the rest of this how to! Let’s start with all the things you’ll need for this tutorial:You will need […]
Homemade Railgun Experiment
Yes, that’s right. After gathering all the materials I built my first little railgun experiment. Read the whole article after the break! Let’s first take a look at how a railgun or magnetic accelerator works, a video about the whole topic can be found here. Similar to a coilgun, a railgun works by magnetic propulsion.A basic railgun consists of three […]