It’s a small linear motor which [ligonapProduktion] built after seeing a very brief description of a commercially available version. The video after the break shows him testing the motor.

AIR TRAFFIC congestion was a likely contributor to the tragedy at Reagan National just as highway traffic congestion ...

The unique PiezoWalk linear motor is non-magnetic and self clamping and provides sub-nanometer resolution. It can be integrated in actuators and linear translation stages as shown in the example above ...

To drive the coils, he used a pair of TB6612FNG stepper motor drivers, controlled by a Wemos D1 Mini. The housing was 3D printed mostly from PLA, but with a few bits done in PETG. This was for ...