The default first actuator. Three wires, one PWM signal, 180 degrees of travel, and light enough to hot-glue to almost anything while you work out whether the idea holds.
Specifications
| Torque | 1.8 kg-cm at 4.8 V |
| Speed | 0.1 s / 60 degrees |
| Rotation | 180 degrees |
| Weight | 9 g |
| Gearing | Plastic |
| Operating voltage | 4.8-6 V |
Servos spike current when they stall - give them their own supply rather than the board's 5 V pin.