Andrew Lewis

Andrew Lewis

Latest from Andrew Lewis

copper thing

Build a desktop stand for your essential small tools. Read more »


Make your own Arduino-controlled color film processor. Read more »


Linear actuators are motors that work in a straight line. They’re very useful for controlling valves and levers, building robots, and retrofitting old mechanisms for digital control. The simplest form of linear actuator has only 2 positions, while more complicated actuators can be positioned just like stepper motors and servos.... Read more »


Preserving 35mm photos on a computer is a great way to keep them safe, and chances are that either you or someone you know has an old box of irreplaceable memories waiting to be scanned. The problem is that an ordinary scanner doesn’t really scan slides or negatives properly. The... Read more »


This very Bondian chessboard contains a secret compartment which only opens when you move the pieces in a certain way. Read more »