Chris Gregg has created a fantastic printer using a retro classic mechanical typewriter which can be used as a printer thanks to the power of the Arduino platform and a bag full of solenoids which ...

[Paul] likes his piano, but he doesn’t know how to play it. The obvious answer: program an Arduino to do it. Some aluminum extrusion and solenoids later, and it was working. Well, perhaps not quite ...

Solenoids are used in many applications to provide linear or rotational actuation in mechanical systems. Although driving solenoids can be as simple as switching the current flow on and off, ...