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- Product Code: Pololu-2818
- MPN: 2818
The FS90 analog servo from FEETECH is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.
Key specs at 6 V: 0.10 sec/60°, 21 oz-in (1.5 kg-cm), 9.0 g.
This is a great general-purpose actuator for tiny mechanisms. The FS90 is a 9 g analog servo from FEETECH (formerly known as Fitec) that offers position control over a 120° operating angle for standard servo pulses between 900 µs and 2100 µs. As with most servos, the pulse range can be expanded to achieve an expanded operating angle, but the limits of this are not specified by FEETECH.
The servo has a 8″ (200 mm) lead that is terminated with a JR-style connector and includes additional servo horns and mounting hardware. The following picture shows an example of the hardware that might be included (actual hardware could vary):
Note that as with most hobby servos, stalling or back-driving this servo can strip its gears.
FS90 vs FS90R
Two versions of this servo are available. This product is the FS90, which offers closed-loop position control over a limited range. Alternatively, the FS90R is specifically designed to be a continuous-rotation micro servo that offers open-loop speed control. The FS90 and FS90R have identical dimensions and use the same motor, so the FS90 will also work with our 60×8mm wheel for the FEETECH FS90R.
|Size:||23.2 × 12.5 × 22 mm|
|No-load current @ 6V:||200 mA|
|Stall current @ 6V:||600 mA1|
|Speed @ 6V:||0.10 sec/60°|
|Stall torque @ 6V:||1.5 kg·cm|
|Speed @ 4.8V:||0.12 sec/60°|
|Stall torque @ 4.8V:||1.3 kg·cm|
|Lead length:||8 in|
This value came from our tests. It is not specified by the manufacturer and therefore could change without notice. Stalling should generally be avoided as it can damage the motor and gears.