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This is an extremely miniature linear servo.
“Nominally” 1.5g, more like 3g with wires (servo “weight sizing” is weird).
Dimensions are about 20mm long, 12mm high and 15mm wide.
This is a linear servo (well, I’m sure you can see that) it only has a single “arm”, it has 3 holes in it.
The total travel is about 10mm.
Specifications, as supplied to my by China vendor, so take with a suitable salty grain… voltage 3.7 to 5v, torque 80g-cm (does this make sense for a linear servo, I don’t know but I can imagine what the meaning is).
Timing (pulse width) is quoted as 900-2100uS but I have tested with 500uS to about 2400uS so probably your mileage may vary. You do want to take care not to over-drive past the ends it in either direction as I get the feeling it will probably slip and strip easily enough if it’s “stalled”, this is extremely tiny and probably a little delicate.
The connector is a very small JST style connector, I do not know what model though, maybe ZH? Of course, chop it off and solder to whatever connector you want.
An interesting curiosity, maybe for extreme featherweight RC models, little animatronic actuators, micro robots… I don’t know. Good things come in small packages.
They come in a “left” and a “right” orientation, see the pictures, each item you buy is one server, please be sure to select the orientation you require.
Think carefully about what happens to your contraption if a servo should fail, is buying cheap chinese servos like these a good idea for you? Any servo could fail, chinese ones might be more likely than others. You’ve been warned!
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