Friction welding 3D prints
Turns out 3D printed stuff can be welded with a rotary tool. When a piece of filament is mounted in a rotary tool and spun against a 3D printed object, the friction causes enough heat...
Author: Mikael Kunnari
Automatic plant watering device
Call it a robotic gardener or an artificial green thumb, it is a device that keeps the soil of my chili plant wet. The principle is simple. A moisture sensor hooked up to an...
Electric watchdog notifies from incoming mail
Attaching an accelerometer to the underside of the lid of a mailbox, hooking up a microcontroller, an LED and a piezo buzzer can make a device that notifies from incoming mail. The microcontroller (ATtiny85)...
A robot built in one day
My first robot took me more than a year to finish. Yesterday I challenged myself to build a new robot from scratch in just one day. After almost exactly 12 hours of planning and...
Hacking some kitchen utensils
Yesterday, while about to enjoy our pizzas, we ran out of forks. Luckily, we still had plenty of spoons and some creativity.
Kitchen looking good
Finally, the kitchen is starting to look like a kitchen. The furniture is mostly completed and in place, and we’re going to get started with the plumbing work tomorrow.