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HITEC HS-805BB Servo Large Size, HS-805BB

Known as the monster servo, the HS-805BB uses a heavy duty nylon gear train and a strong 10mm, 15 tooth output shaft to generate 343 oz./in. of torque that will easily move just about any large plane, car, truck or boat!

HITEC HS-425BB Servo Standard Size, HS-425BB

The HS-425BB is offered with dual ball bearings, impact resin gears and high performance circuitry As one of Hitec's longest running production servos, it has proven to be a durable and dependable product year after year

VELLEMAN DRV8825 Stepper Driver Board for K8400, VM8400DB

Simple step and direction control interface Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step Current adjust trimmer Short-to-ground and shorted-load protection Minimum operating voltage: 8.2 V Maximum operating voltage: 45 V Continuous current per phase: 1.5 A Maximum current per phase: 2.2 A (with cooling) Minimum logic voltage: 2.5 V Maximum logic voltage: 5.25 V Dimensions: 20 x 15 mm (0.8" x 0.6 ")

VELLEMAN L293D Motor Drive Expansion Shield for Arduino, VMA207

Two L293D Motor driver chips Four H-Bridges 0.6 A per bridge (1.2 A peak) Thermal shutdown protection Internal kickback protection diodes Up to 4 bi-directional DC motors Up to 2 stepper motors Pull down resistors to keep motors disabled during power-up Separate logic and motor power connections Terminal block connectors for motors and power motor voltages from 4.5 VDC to 16 VDC 2 connections for 5 V hobby servos dimensions: 6.8 cm x 5.5 cm x 2 cm

NTE 8-Channel Darlington Array/Driver ULN2803 Equivalent, 2018

Ideally suited for interfacing between low−level digital logic circuitry and high−power peripheral loads High−voltage, high−current Darlington arrays in an 18−Lead DIP type package and feature peak load current ratings to 600mA for each of the eight drivers in each device Typical loads include relays, solenoids, stepping motors, multiplexed LED and incadescent displays, and heaters

VELLEMAN TB6560 Stepper Motor Drive Board, VMA333

operating voltage: 10 to 35 VDC rated output current: ± 3 A - peak 3.5 A dimensions: 50 x 75 x 35 mm weight: 80 g 6N137 high-speed OptoCouple to ensure high speed without losing steps for 42,57,86 Stepper within 3A  2/4 -phase / 4 wire / 6 wire stepper motor automatic half-decay excitation mode: synchronizing, half step, 1/8 step, 1/16 step current level is adjustable to meet your application needs large heat sink for good heat dissipation overheating and over-current protection circuit to ensure optimal performance

VELLEMAN Dual H Bridge DC Stepper Motor Controller Board L298N, VMA409

driver: L298N driver power supply: + 5 V to + 35 V driver output current (max.): 2A logic power output Vss: +5 V to +7 V (internal supply +5 V) logic current: 0-36 mA controlling level: low -0.3 V to 1.5 V, high: 2.3 V-Vss enable signal level: low -0.3 V to 1.5 V, high: 2.3 V-Vss max. current: 25 W working temperature: -13 °F to + 266°F (-25C to +130 °C) dimensions: 2.72" x 2.2" x 1.42" (69 x 56 x 36 mm)

OSEPP Motor Driver Module, MTD-01

100% Arduino Compatible L298 dual h bridge driver Reverse motor polarity (motor direction)

VELLEMAN Servo Shield for Arduino, VRSSM

36 in/outputs Arduino® Mega and Uno compatible IR receiver program or receive switch 6 analog ports (A0-A5) external power connector sounder 4 blue power indicating LEDs compatible with the ALLBOT BATTERY SHIELD and ALLBOT LI-ION BATTERY PACK

OSEPP Motor & Servo Shield, SCSHD-01

Mate with Arduino and Arduino compatible boards Provides connectors to support 2 servos. Servo power supply can be configured to source from the servo power terminal block or from the Arduinos 5V pin. Support up to 4 bi-directional DC motors with individual 8-bit speed selection, and up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping. Motor power supply can be configured to source from the motor power terminal block or from the Arduinos VIN pin. Support motors operating between 4.5V to 25V DC. Includes two L293D Quad H-Bridges chipset that can provide 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Provides DIP sockets to support other pin compatible motor bridge chipset. Integrated pull down resistor to keep motor disable during start up. Individual LED indicator for motor power supply state and servo power supply state. Brings out the Arduinos reset button to the top of the shield

Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 4248mm, 4V, 1.2 A/Phase, 1200

Size: 42.3 mm square × 48 mm, not including the shaft (NEMA 17) Weight: 350 g (13 oz) Shaft diameter: 5 mm “D” Steps per revolution: 200 Current rating: 1.2 A per coil Voltage rating: 4 V Resistance: 3.3 Ω per coil Holding torque: 3.2 kg-cm (44 oz-in) Inductance: 2.8 mH per coil Lead length: 30 cm (12″) Output shaft supported by two ball bearings NEMA 17 size

VELLEMAN 5VDC Stepper Motor with ULN2003 Driver Board, VMA401

LED step indicators included: 5 V stepper motor ULN2003 controller module Cable Specifications: Operating Voltage: 5 VDC Steps / revolution: 64 Controller: ULN2003 motor diameter: 28 mm shaft diameter: 5mm Reduction ratio: 1:64 number of phases: 4 dimensions: 35 x 32 x 10 mm

Stepper Motor: Bipolar, 200 Steps/Rev, 2832mm, 3.8V, 0.67 A/Phase, 1205 POLO

Size: 28 mm square × 32 mm, not including the shaft (NEMA 11) Weight: 110 g (4 oz) Shaft diameter: 5 mm “D” Steps per revolution: 200 Current rating: 670 mA per coil Voltage rating: 3.8 V Resistance: 5.6 Ω per coil Holding torque: 600 g-cm (8.3 oz-in) Inductance: 4.2 mH per coil Lead length: 30 cm (12″) Output shaft supported by two ball bearings

POLOLU Stepper Motor: Bipolar, 200 Steps/Rev, 2030mm, 3.9V, 0.6 A/Phase, 1204

Size: 20 mm square × 30 mm, not including the shaft (NEMA 8) Weight: 60 g (2 oz) Shaft diameter: 4 mm “D” Steps per revolution: 200 Current rating: 600 mA per coil Voltage rating: 3.9 V Resistance: 6.5 Ω per coil Holding torque: 180 g-cm (2.5 oz-in) Inductance: 1.7 mH per coil Lead length: 30 cm (12″) Output shaft supported by two ball bearings NEMA 8

OSEPP Stepper Motor & Driver, STEPD-01

100% Arduino Compatible ULN2003A driver chip controls unipolar & bipolar stepper motors