$2 DIY Lighting Controller and Door Sensor
I’m rolling my own home security system for pennies on the dollar (and lots and lots of time, but this kind of stuff is fun to me). Here’s what I ended up with for the kitchen. It controls three distinct…
Category Technology
$56 DIY Under Cabinet Lighting
We just remodeled our kitchen. A few months ago we had an electrician come out to give us an idea of what it would cost to add in under-cabinet lighting. Five fixtures came in at about $1,800 with a few…
Guidelines for Disassembly and Reverse Engineering
Get comfortable using basic tools Safety first. Each disassembly should be supervised. There are sharp and springy parts, so take proper safety precautions. Adults should NOT let the kids make safety mistakes. Always use the proper tool. For example, don’t…
3D Printer Club: Update Video
[sc:3dclub-intro] Here’s a quick update on some of the projects we’ve been working on this year:
USA Science and Engineering Festival
We went to the 2014 USA Science and Engineering Festival up in Washington, DC, and we wanted to share it with our fellow school Maker Team members. Here’s the video we produced to do that. USA Science & Engineering Festival…
How to Set Up a PCB Heatbed (and cut glass, too!)
In this video, Jacob shows an easy way to set up a PCB heatbed for your 3D printer — a method that allows the entire surface of the heatbed to be used for printing. He also shows how to cut…
3D Printer Club: A Video from the Creator of Slic3r!
[sc:3dclub-intro] Here’s a video to the team from software developer and RepRap expert Alessandro Ranellucci, the creator of the extremely popular Slic3r software.
Using Spiral Binding Coil as Wire Wrap
Random wires are ugly, so we decided to ask for some spare spiral binding coil at the local office supply store and walked away with a handful of 6mm and 10mm coils. They make for very nice wire wrap.
Stepper Driver Noise: A4988 vs DRV8825
We made a video to show the difference in noise between the Pololu A4988 Stepper Motor Driver Carrier, which has 1/16 steps, and the DRV8825 Stepper Motor Driver Carrier which has 1/32 steps. These drivers are common in RepRap 3D…
Installing Pronterface/PrintRun and Slic3r on Lubuntu ThinkPad T41
We got an older laptop to use for one of our 3D printer builds, and so we set out to set it up for 3D printing. The laptop is an IBM ThinkPad T41, and because the processor doesn’t support PAE,…