Products for USB Sensing and Control
Motors

Control up to 8 RC servo motors or actuators with this controller board. Connects to your computer via USB.
Quantity Price
1$90.00
5$86.40
10$83.70
25$81.00
50$76.50
In Stock
Qty: 394

Accurately control up to 4 unipolar stepper motors with this controller. Connects to a USB port.
Quantity Price
1$75.00
5$72.00
10$69.75
25$67.50
50$63.75
In Stock
Qty: 595

Control up to two DC motors with this controller. Monitors surges and overheating in the API and connects to a USB port.
Quantity Price
1$120.00
5$115.20
10$111.60
25$108.00
50$102.00
In Stock
Qty: 684

Control one motor as well as an encoder and up to 2 analog and 2 digital sensors. Connects to a USB port.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
50$68.00
In Stock
Qty: 1000+

Control one RC servo motor or actuator with this controller board. Powered solely by your computer via USB.
Quantity Price
1$40.00
5$38.40
10$37.20
25$36.00
50$34.00
In Stock
Qty: 1000+

Accurately control one bipolar stepper motor with this controller. This board comes with a number of safety features.
Quantity Price
1$95.00
5$91.20
10$88.35
25$85.50
50$80.75
In Stock
Qty: 1000+

Everything you need to control 4 servo motors from your PC, with the ability to add another 4 RC servos of your choosing.
Quantity Price
1$140.00
5$134.40
10$130.20
25$126.00
100$121.80
Build on Demand
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This compact servo motor has 180° of travel and is an economical choice for small projects.
Quantity Price
1$12.00
5$11.55
10$11.20
25$10.80
100$10.45
In Stock
Qty: 1000+

With over 19 kg·cm of torque and 180° of travel, this heavy duty servo is made for strong, slow movements.
Quantity Price
1$52.00
5$49.95
10$48.40
25$46.80
100$45.25
In Stock
Qty: 45

This winch servo has 8 revolutions of travel and a drum wheel for applications that require something to be reeled in.
Quantity Price
1$57.75
5$55.45
10$53.75
25$52.00
100$50.25
In Stock
Qty: 50

For applications where a finite range of motion is not acceptable, use this continuous rotation servo.
Quantity Price
1$18.75
5$18.00
10$17.45
25$16.90
100$16.35
In Stock
Qty: 314

This servo motor has 180° of travel and reasonable torque for its size.
Quantity Price
1$19.00
5$18.25
10$17.70
25$17.10
100$16.55
In Stock
Qty: 230

This servo motor has 180° of travel and has a durable metal gear train.
Quantity Price
1$40.50
5$38.90
10$37.70
25$36.45
100$35.25
In Stock
Qty: 26

With 175° of travel, this compact servo motor is intended for light applications.
Quantity Price
1$11.00
5$10.60
10$10.25
25$9.90
100$9.60
In Stock
Qty: 397

This tiny servo has 180° of travel and weighs 14g, making it ideal for applications where size and weight matter.
Quantity Price
1$10.50
5$10.10
10$9.80
25$9.45
100$9.15
In Stock
Qty: 44

This servo has 180° of travel and has good torque for its size.
Quantity Price
1$12.50
5$12.00
10$11.65
25$11.25
100$10.90
In Stock
Qty: 258

The baseline SpringRC model, this affordable servo has 180° of travel and 3.5 kg·cm of torque.
Quantity Price
1$10.00
5$9.60
10$9.30
25$9.00
100$8.70
In Stock
Qty: 213

This powerful continuous rotation servo has 12 kg·cm of torque, making it a versatile choice.
Quantity Price
1$18.00
5$17.30
10$16.75
25$16.20
100$15.70
In Stock
Qty: 667

This DC motor has an encoder, 10:1 gearbox, a rated speed of 230 RPM and rated torque of 0.2 Kg·cm.
Quantity Price
1$40.00
5$38.40
10$37.20
25$36.00
100$34.80
In Stock
Qty: 18

This DC motor has a 10:1 gearbox, a rated speed of 230 RPM and rated torque of 0.2 Kg·cm.
Quantity Price
1$10.00
5$9.60
10$9.30
25$9.00
100$8.70
In Stock
Qty: 271

This DC motor has an encoder, a 18:1 gearbox, a rated speed of 127 RPM and rated torque of 0.31 Kg·cm.
Quantity Price
1$40.00
5$38.40
10$37.20
25$36.00
100$34.80
In Stock
Qty: 31

This DC motor has a 18:1 gearbox, a rated speed of 127 RPM and rated torque of 0.31 Kg·cm.
Quantity Price
1$10.00
5$9.60
10$9.30
25$9.00
100$8.70
In Stock
Qty: 212

This DC motor has an encoder, a 50:1 gearbox, a rated speed of 46 RPM and rated torque of 0.82 Kg·cm.
Quantity Price
1$41.00
5$39.40
10$38.15
25$36.90
100$35.70
In Stock
Qty: 21

This DC motor has a 50:1 gearbox, a rated speed of 46 RPM and rated torque of 0.82 Kg·cm.
Quantity Price
1$11.00
5$10.60
10$10.25
25$9.90
100$9.60
In Stock
Qty: 118

This DC motor has an encoder, a 100:1 gearbox, a rated speed of 23 RPM and rated torque of 1.63 Kg·cm.
Quantity Price
1$41.00
5$39.40
10$38.15
25$36.90
100$35.70
In Stock
Qty: 33

This DC motor has a 100:1 gearbox, a rated speed of 23 RPM and rated torque of 1.63 Kg·cm.
Quantity Price
1$11.00
5$10.60
10$10.25
25$9.90
100$9.60
In Stock
Qty: 30

This DC motor has an encoder, a 10:1 gearbox, a rated speed of 365 RPM and rated torque of 1.53 Kg·cm.
Quantity Price
1$43.50
5$41.80
10$40.50
25$39.15
100$37.85
In Stock
Qty: 13

This DC motor has an encoder, a 18:1 gearbox, a rated speed of 202 RPM and rated torque of 2.45 Kg·cm.
Quantity Price
1$43.50
5$41.80
10$40.50
25$39.15
100$37.85
In Stock
Qty: 39

This DC motor has a 50:1 gearbox, a rated speed of 73 RPM and rated torque of 6.12 Kg·cm.
Quantity Price
1$15.00
5$14.40
10$13.95
25$13.50
100$13.05
In Stock
Qty: 76

This DC motor has an encoder, a 3.7:1 gearbox, a rated speed of 1080 RPM and rated torque of 0.24 Kg·cm.
Quantity Price
1$48.00
5$46.10
10$44.65
25$43.20
100$41.80
In Stock
Qty: 9

This DC motor has a 3.7:1 gearbox, a rated speed of 1080 RPM and rated torque of 0.24 Kg·cm.
Quantity Price
1$18.00
5$17.30
10$16.75
25$16.20
100$15.70
In Stock
Qty: 121

This DC motor has an encoder, a 14:1 gearbox, a rated speed of 285 RPM and rated torque of 0.9 Kg·cm.
Quantity Price
1$48.00
5$46.10
10$44.65
25$43.20
100$41.80
In Stock
Qty: 9

This DC motor has a 14:1 gearbox, a rated speed of 285 RPM and rated torque of 0.9 Kg·cm.
Quantity Price
1$18.00
5$17.30
10$16.75
25$16.20
100$15.70
In Stock
Qty: 52

This DC motor has an encoder, a 51:1 gearbox, a rated speed of 78 RPM and rated torque of 3.06 Kg·cm.
Quantity Price
1$50.50
5$48.50
10$47.00
25$45.45
100$43.95
In Stock
Qty: 6

This DC motor has a 51:1 gearbox, a rated speed of 78 RPM and rated torque of 3.06 Kg·cm.
Quantity Price
1$20.50
5$19.70
10$19.10
25$18.45
100$17.85
In Stock
Qty: 271

This DC motor has an encoder, a 139:1 gearbox, a rated speed of 28 RPM and rated torque of 8.46 Kg·cm.
Quantity Price
1$50.50
5$48.50
10$47.00
25$45.45
100$43.95
In Stock
Qty: 9

This DC motor has a 139:1 gearbox, a rated speed of 28 RPM and rated torque of 8.46 Kg·cm.
Quantity Price
1$20.50
5$19.70
10$19.10
25$18.45
100$17.85
In Stock
Qty: 311

This DC motor has an encoder, a 3.7:1 gearbox, a rated speed of 670 RPM and rated torque of 0.54 Kg·cm.
Quantity Price
1$68.00
5$65.30
10$63.25
25$61.20
100$59.20
In Stock
Qty: 13

This DC motor has a 3.7:1 gearbox, a rated speed of 670 RPM and rated torque of 0.54 Kg·cm.
Quantity Price
1$38.00
5$36.50
10$35.35
25$34.20
100$33.10
In Stock
Qty: 193

This DC motor has an encoder, a 14:1 gearbox, a rated speed of 175 RPM and rated torque of 1.94 Kg·cm.
Quantity Price
1$72.00
5$69.15
10$67.00
25$64.80
100$62.65
In Stock
Qty: 16

This DC motor has a 14:1 gearbox, a rated speed of 175 RPM and rated torque of 1.94 Kg·cm.
Quantity Price
1$42.00
5$40.35
10$39.10
25$37.80
100$36.55
In Stock
Qty: 138

This DC motor has an encoder, a 51:1 gearbox, a rated speed of 49 RPM and rated torque of 6.63 Kg·cm.
Quantity Price
1$73.00
5$70.10
10$67.90
25$65.70
100$63.55
In Stock
Qty: 19

This DC motor has a 51:1 gearbox, a rated speed of 49 RPM and rated torque of 6.63 Kg·cm.
Quantity Price
1$43.00
5$41.30
10$40.00
25$38.70
100$37.45
In Stock
Qty: 122

This DC motor has an encoder, a 139:1 gearbox, a rated speed of 18 RPM and rated torque of 17.3 Kg·cm.
Quantity Price
1$73.00
5$70.10
10$67.90
25$65.70
100$63.55
In Stock
Qty: 7

This DC motor has a 139:1 gearbox, a rated speed of 18 RPM and rated torque of 17.3 Kg·cm.
Quantity Price
1$43.00
5$41.30
10$40.00
25$38.70
100$37.45
In Stock
Qty: 187

This DC motor has a 4.25:1 gearbox, a rated speed of 588 RPM and rated torque of 5.1 Kg·cm.
Quantity Price
1$69.00
5$66.25
10$64.20
25$62.10
100$60.05
In Stock
Qty: 59

This DC motor has a 13:1 gearbox, a rated speed of 192 RPM and rated torque of 14.3 Kg·cm.
Quantity Price
1$66.00
5$63.40
10$61.40
25$59.40
100$57.45
In Stock
Qty: 63

This DC motor has a 18:1 gearbox, a rated speed of 139 RPM and rated torque of 20.4 Kg·cm.
Quantity Price
1$66.00
5$63.40
10$61.40
25$59.40
100$57.45
In Stock
Qty: 57

This DC motor has a 47:1 gearbox, a rated speed of 53 RPM and rated torque of 51 Kg·cm.
Quantity Price
1$72.00
5$69.15
10$67.00
25$64.80
100$62.65
In Stock
Qty: 157

This DC motor has a 76:1 gearbox, a rated speed of 33 RPM and rated torque of 82.6 Kg·cm.
Quantity Price
1$72.00
5$69.15
10$67.00
25$64.80
100$62.65
In Stock
Qty: 191

This DC motor has a 168:1 gearbox, a rated speed of 15 RPM and rated torque of 173 Kg·cm.
Quantity Price
1$76.00
5$73.00
10$70.70
25$68.40
100$66.15
In Stock
Qty: 187

This affordable bipolar stepper has a 1.8° step angle and 4.24 kg·cm of torque at low speeds.
Quantity Price
1$15.00
5$14.40
10$13.95
25$13.50
100$13.05
In Stock
Qty: 388

This high speed bipolar stepper has a 3.75° step angle and 590 g·cm of torque at low speeds.
Quantity Price
1$15.00
5$14.40
10$13.95
25$13.50
100$13.05
In Stock
Qty: 36

This affordable unipolar stepper has a 7.5° step angle and 710 g·cm of torque at low speeds.
Quantity Price
1$6.50
5$6.25
10$6.05
25$5.85
100$5.70
In Stock
Qty: 247

This affordable unipolar stepper has a 7.5° step angle and 50 g·cm of torque at low speeds.
Quantity Price
1$5.00
5$4.80
10$4.65
25$4.50
100$4.35
In Stock
Qty: 143

This high speed unipolar stepper has an 18° step angle and 30 g·cm of torque at low speeds.
Quantity Price
1$5.50
5$5.30
10$5.15
25$4.95
100$4.80
In Stock
Qty: 119

This tiny stepper with a rear shaft has a 1.8° step angle and 520 g·cm of torque at low speeds.
Quantity Price
1$16.00
5$15.40
10$14.90
25$14.40
100$13.95
In Stock
Qty: 654

This compact bipolar stepper with a rear shaft and a planetary gearbox has a 0.067° step angle and 14 kg·cm of torque at low speeds.
Quantity Price
1$36.00
5$34.60
10$33.50
25$32.40
100$31.35
In Stock
Qty: 462

This compact bipolar stepper with a rear shaft and a planetary gearbox has a 0.018° step angle and 32 kg·cm of torque at low speeds.
Quantity Price
1$38.00
5$36.50
10$35.35
25$34.20
100$33.10
In Stock
Qty: 263

This bipolar stepper with rear shaft has a 1.8° step angle and 1.2 kg·cm of torque at low speeds.
Quantity Price
1$16.00
5$15.40
10$14.90
25$14.40
100$13.95
In Stock
Qty: 708

This affordable bipolar stepper with a rear shaft has a 1.8° step angle and 3.3 kg·cm of torque at low speeds.
Quantity Price
1$16.00
5$15.40
10$14.90
25$14.40
100$13.95
In Stock
Qty: 253

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.35° step angle and 18 kg·cm of torque at low speeds.
Quantity Price
1$40.00
5$38.40
10$37.20
25$36.00
100$34.80
In Stock
Qty: 1000+

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.13° step angle and 30 kg·cm of torque at low speeds.
Quantity Price
1$42.00
5$40.35
10$39.10
25$37.80
100$36.55
In Stock
Qty: 717

This bipolar stepper with gearbox and rear shaft has a 0.067° step angle and 30 kg·cm of torque at low speeds.
Quantity Price
1$44.00
5$42.25
10$40.95
25$39.60
100$38.30
In Stock
Qty: 1000+

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.035° step angle and 48 kg·cm of torque at low speeds.
Quantity Price
1$46.00
5$44.20
10$42.80
25$41.40
100$40.05
In Stock
Qty: 648

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.018° step angle and 48 kg·cm of torque at low speeds.
Quantity Price
1$48.00
5$46.10
10$44.65
25$43.20
100$41.80
In Stock
Qty: 659

This precision bipolar stepper with rear shaft has a 0.9° step angle and 11.2 kg·cm of torque at low speeds.
Quantity Price
1$28.00
5$26.90
10$26.05
25$25.20
100$24.40
In Stock
Qty: 547

This high-speed bipolar stepper with a rear shaft has a 1.8° step angle and 11 kg·cm of torque at low speeds.
Quantity Price
1$20.00
5$19.20
10$18.60
25$18.00
100$17.40
In Stock
Qty: 252

This bipolar stepper with a rear shaft and a planetary gearbox has a 0.42° step angle and 46.6 kg·cm of torque at low speeds.
Quantity Price
1$70.00
5$67.20
10$65.10
25$63.00
100$60.90
In Stock
Qty: 79

This powerful bipolar stepper with a rear shaft and a planetary gearbox has a 0.12° step angle and 150 kg·cm of torque at low speeds.
Quantity Price
1$72.00
5$69.15
10$67.00
25$64.80
100$62.65
In Stock
Qty: 175

This powerful bipolar stepper with a rear shaft and a planetary gearbox has a 0.023° step angle and 240 kg·cm of torque at low speeds.
Quantity Price
1$74.00
5$71.05
10$68.85
25$66.60
100$64.40
In Stock
Qty: 228

This huge bipolar stepper with a rear shaft has a 1.8° step angle and 30 kg·cm of torque at low speeds.
Quantity Price
1$60.00
5$57.60
10$55.80
25$54.00
100$52.20
In Stock
Qty: 164

This massive bipolar stepper with a rear shaft has a 1.8° step angle and over 100 kg·cm of torque at low speeds.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 123

Fix a NEMA-11 sized motor or 28mm gearbox to a flat surface with this steel mounting bracket.
Quantity Price
1$3.00
5$2.90
10$2.80
25$2.70
100$2.65
In Stock
Qty: 1000+

Fix a NEMA-17 sized motor or 36mm gearbox to a flat surface with this steel mounting bracket.
Quantity Price
1$3.50
5$3.40
10$3.25
25$3.15
100$3.05
In Stock
Qty: 1000+

Fix a NEMA-23 sized motor or 56mm gearbox to a flat surface with this steel mounting bracket.
Quantity Price
1$4.00
5$3.85
10$3.75
25$3.60
100$3.50
In Stock
Qty: 1000+

This precision bipolar stepper with rear shaft has a 0.9° step angle and 3.3 kg·cm of torque at low speeds.
Quantity Price
1$20.00
5$19.20
10$18.60
25$18.00
100$17.40
In Stock
Qty: 869

This aluminium beam coupling connects two 4mm shafts together with set screws.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 35

This aluminium beam coupling connects two 5mm shafts together with set screws.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 365

This aluminium beam coupling connects two 6mm shafts together with set screws.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 279

This aluminium beam coupling connects two 8mm shafts together with set screws.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 203

This aluminium jaw coupling fits a 4mm shaft and connects to another half coupling with a spider.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 140

This aluminium jaw coupling fits a 5mm shaft and connects to another half coupling with a spider.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 136

This aluminium jaw coupling fits a 6mm shaft and connects to another half coupling with a spider.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 175

This aluminium jaw coupling fits a 8mm shaft and connects to another half coupling with a spider.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 213

This aluminium jaw coupling fits a 12mm shaft w/ 4mm keyway and connects to another half coupling with a spider.
Quantity Price
1$7.50
5$7.20
10$7.00
25$6.75
100$6.55
In Stock
Qty: 173

Use this elastomer coupling spider to connect two jaw half-couplings.
Quantity Price
1$2.50
5$2.40
10$2.35
25$2.25
100$2.20
In Stock
Qty: 353

This servo actuator has a stroke length of 100mm with a peak force of 23N and a peak speed of 12 mm/s.
Quantity Price
1$70.00
5$67.20
10$65.10
25$63.00
100$60.90
In Stock
Qty: 149

This servo actuator has a stroke length of 50mm with a peak force of 23N and a peak speed of 12 mm/s.
Quantity Price
1$70.00
5$67.20
10$65.10
25$63.00
100$60.90
In Stock
Qty: 103

This heavy duty DC actuator has a stroke length of 150mm with a peak force of 350N and a peak speed of 24 mm/s.
Quantity Price
1$100.00
5$96.00
10$93.00
25$90.00
100$87.00
In Stock
Qty: 58

This heavy duty DC actuator has a stroke length of 150mm with a peak force of 750N and a peak speed of 10 mm/s.
Quantity Price
1$100.00
5$96.00
10$93.00
25$90.00
100$87.00
In Stock
Qty: 36

This heavy duty DC actuator has a stroke length of 300mm with a peak force of 350N and a peak speed of 24 mm/s.
Quantity Price
1$100.00
5$96.00
10$93.00
25$90.00
100$87.00
In Stock
Qty: 61

This heavy duty DC actuator has a stroke length of 300mm with a peak force of 750N and a peak speed of 10 mm/s.
Quantity Price
1$100.00
5$96.00
10$93.00
25$90.00
100$87.00
In Stock
Qty: 26

This DC actuator has a stroke length of 50mm with a peak force of 50N and a peak speed of 32 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 39

This DC actuator has a stroke length of 100mm with a peak force of 50N and a peak speed of 32 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 29

This DC actuator has a stroke length of 140mm with a peak force of 50N and a peak speed of 32 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 25

This DC actuator has a stroke length of 50mm with a peak force of 75N and a peak speed of 20 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 14

This DC actuator has a stroke length of 100mm with a peak force of 75N and a peak speed of 20 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 48

This DC actuator has a stroke length of 140mm with a peak force of 75N and a peak speed of 20 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 24

This DC actuator has a stroke length of 50mm with a peak force of 175N and a peak speed of 8 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 15

This DC actuator has a stroke length of 100mm with a peak force of 175N and a peak speed of 8 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 18

This DC actuator has a stroke length of 140mm with a peak force of 175N and a peak speed of 8 mm/s.
Quantity Price
1$80.00
5$76.80
10$74.40
25$72.00
100$69.60
In Stock
Qty: 22