| DC motors with metal gearbox | |
|---|---|
 | Pololu/Sanyo micro motors 5:1 to 1000:1 gear ratio, high or low power models, 3V-12V opearation, plastic bracket/mount, D-shaped shaft (not all models) |
 | Pololu 25D mm motors with/without encoder, 6V operation, gear ratio 34:1, 75:1 or 172:1, high or low power models, metal bracket, 4mm D-shaped shaft with optional universal mounting plate, 25-35 USD each |
 | Pololu 37D mm motors with/without encoder, 12V operation (will work at 6V too), six different gear ratios 19:1 to 131:1, metal bracket, 6mm D-shaped shaft with optional universal mounting plate, 35-45 USD each |
 | Gear Motor 17 (GM17) A High-Efficiency (HE) 3V DC motor coupled to a 228:1 gearbox give you a very useful low-power gearmotor, plastic D-shaped shaft ,optional metal bracket, optional Didel encoder, 7 USD each |
| Motorized slider/fader/knob/rotary/linear potentiometer | |
|---|---|
 | ALPS Fader motorized RSAON11M9 touch sensitive 100mm 100mm travel, operation: 4-10 VDC, touch sensitivie, 10 Kohms track, other length/configuration, can be found on eBay from user FamilyGate, 20-35 USD each |
 | Sparkfun - Slide Pot Motorized (10k Linear Taper) 100mm travel, operation: 6-11 VDC, touch sensitivie, 10K track, 20 USD each |
 | ALPS Motorized Potentiometer RK16812MGA1H 10K or 100K, other length/configuration, 4-6V operation, 12±3 sec/300° (4.5V DC), can be found on eBay from user FamilyGate, 14-20 USD each |
 | Immersion TouchSense PR-1000 Force Feedback (Haptic) Encoder 10K or 100K, other length/configuration, 4-6V operation, 12±3 sec/300° (4.5V DC), controller board could be obtained (in 2010) from mp3car.com, forum post presenting the features, see this page for protocol info, successor product IntuiTek’s PR-1.5 (Jan 2012), ~100 USD each |
| Vibrotactile motors/actuators | |
|---|---|
 | Solarbotics VPM2 Vibrating Disk Motor closed form factor - small puck, 1G vibration at 12,000rpm from 3V, drawing less than 80mA, many similar items from China at less than 1 USD per unit, 3-4 USD each |
 | Sanyo NRS-2574i SMD Vibra Motor open form factor, surface-mount vibrating pager motor from Sanyo. 1.3V, 90MA, 9000RPM, 2 USD each |
| Transducers/voice coil actuators | |
|---|---|
 | Tactile Labs Inc. Haptuator The Haptuator is a high-bandwidth vibrotactile transducer capable of producing up to 3G of acceleration, 14mm, 200 USD each |
 | Surface Transducer - Large 4 ohm nominal impedance and can handle about 1 watt continuous, 20 USD each |
 | Surface Transducer - Small Surface transducers give you the awesome power to turn almost any surface into a speaker, 8 ohm nominal impedance, max operating voltage: 12 Vpp, frequency response: 300-19000 Hz, 10 USD each |
 | Engineering Acoustics C2 Tactor The standard C2 Tactor design is centered around a rugged, low profile package with nominal center frequency of 250 Hz. The skin contactor is 0.3” in diameter and is pre-loaded when the face of the Tactor is placed against the skin. Nominal impedance is 7 ohms, difficult to obtain, company not responding to inquiries, 250 USD each |
 | Samsung DMJBRN1036AH LRA actuator coin type linear resonator, similar size to vibrotactile coin, peak response at 175 Hz, spec sheet, price unknown |
| | LG Innotek MVMU-A360A1(SEMC) LRA actuator equivalent to Samsung's DMJBRN1036AH, coin type linear resonator, similar size to vibrotactile coin, peak response at 175 Hz, price unknown |
| Servo motors | |
|---|---|
 | Hitec HS-125MG slim-wing/thin servo with metal gear, 90 degrees operation, maximum torque 49 oz-in., 35 USD each |
 | Hitec HS-645MG High Torque Servo standard-size servo with metal gear, high-torque version, 90 degrees operation, maximum torque 133 oz-in., 40 USD each |
| Linear actuators, worm gear + shaft | |
|---|---|
 | Firgelli PQ-12 miniature actuator Various configurations available. This is their smallest model, Firgelli has larger/stronger models, even a model compatible with Lego NXT platform. Stroke: 20mm, Maximum Force: 9-35N, Voltage: 6V or 12V, Control Options: Limit Switches(-S), Linear Feedback(-P) No-Load Speed: 25-9mm/s , CAD model available, 65 USD each |
| Shape memory alloy actuators | |
|---|---|
 | MigaOne - Linear Shape Memory Alloy Actuator The MigaOne is a credit-card-sized memory metal actuator, with 0.325” of stroke, and three output force options. Weighing less than ½-ounce (12.8 grams), the wafer-thin MigaOne is the world’s thinnest actuator, standing barely a millimeter off the PCB surface. Actuation time is ~1.0 second at 5.8V, and ~0.1 second at 18V, 40 USD each |
| Motor controllers (basic/cheap ones, robotics and engineering models are usually 100$+) | |
|---|---|
 | Adafruit Motor/Stepper/Servo Shield for Arduino can control 4 DC motors + 2 servos + 2 unipolar or bipolar stepper motors, contains 4 L293D H-bridges, 0.6A max per channel, 4.5VDC to 36VDC motor voltage, 20 USD each |
 | Sparkfun Ardumoto - Arduino Motor Driver Shield can control 2 DC motors with direction and speed (PWM), using L298 H-bridge, 2amps max per channel, 25 USD each |
 | Motor Driver 1A Dual TB6612FNG can control 2 DC motors with direction and speed (PWM), using TB6612FNG chip, 1.2A max per channel, 2.7-5.5VDC logic supply voltage, max 15VDC motor voltage, 9 USD each |
 | EasyDriver Stepper Motor Driver can control 1 bi-polar stepper motor, 1.2A max per channel, 3.3-5.5VDC logic voltage, 7-30VDC motor voltage, 15 USD each |
