Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

// initialize the library with the numbers of the interface pins ...

Control it with your smartphone and view the underwater scenery through a browser. A sci-fi dream realized with an ESP32 and a 3D printer. The ESP-FLY featured in the previous [Kato RC #29] was a $30 ...

Have you ever bought a $700 transmitter? A Futaba 10PX. A SANWA M17. The moment you touch it, you think, 'This is it.' The precision of the sticks, the response, the way it feels in your hands. It is ...