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FM90 DC Motor in Micro Servo Body

Rs 360.00
Out of stock
SKU
LTROB03

Details

FM90 DC Motor in Micro Servo Body

This tiny DC Motor in Micro Servo Body is an interesting motor - it's the same size and shape as our micro servo (like the FS90, FS90R, SG92R) but it isn't a servo. It's more like a DC motor + plastic gear-train in a box. It's not a super powerful motor, it would do well as a little robot wheel. It's also a lot less expensive than a micro servo (continuous or non-continuous) because there is no control board inside. Controlling speed is done by PWM'ing the power leads, controlling direction is done by swapping the power polarity - just like any brushed DC motor.

Runs from 4-6VDC, we've powered it with a Lipoly and 3 alkaline, or 4 NiMH batteries with success. You cannot control this directly from a microcontroller pin! You must have a H-bridge such as a L293D or motor shield.

Motor comes with 2x screws and 2x nuts for mounting to a chassis. No flanges or horns included - it's intended to mate with wheels, like our FS90R-W. There's a screw to attach once they're plugged together. Build a robot vehicle of your own with these little motors driving it!

  • Dimensions: 32.3mm x 12.3mm x 29.9mm / 1.3" x 0.49" x 1.2"
  • Spline Count: 21
  • Weight: 8.4g
  • No load speed: 110RPM (4.8v) / 130RPM (6v)
  • Running Current (at no load): 100mA (4.8v) / 120mA (6v)
  • Peak Stall Torque (4.8v): 1.3 kg/cm / 18.09 oz/in
  • Peak Stall Torque (6v): 1.5 kg/cm / 20.86 oz/in
  • Stall Current: 550mA (4.8v) / 650mA (6v)

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