Big Easy Driver
Availability
In stock
Stepper motor driver board based on the Allegro A4988, supporting bipolar stepper motors up to 2 A per phase. Accepts step/direction control signals and provides microstepping up to 1/16 step.
Stepper motor driver board based on the Allegro A4988, supporting bipolar stepper motors up to 2 A per phase. Accepts step/direction control signals and provides microstepping up to 1/16 step.
step pulse input
direction input
enable input
motor supply positive
ground
coil A output
coil B output
| Pin | Position | Type | Function |
|---|---|---|---|
| STEP | logic? | Signal | step pulse input |
| DIR | logic? | Signal | direction input |
| ENABLE | logic? | Signal | enable input |
| M+ | power? | Power | motor supply positive |
| GND | power? | Ground | ground |
| A | motor? | Unknown | coil A output |
| B | motor? | Unknown | coil B output |
step pulse input
direction input
enable input
motor supply positive
ground
coil A output
coil B output
PWM · I2C · UART · Wide input · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: M+, GND, STEP, DIR, ENABLE. Schematik maps them to your board in the app.
H-bridge breakouts from 1A to 43A (DRV8871, TB6612FNG, BTS7960), stepper drivers (A4988, TMC260, TB6600), I2C servo/solenoid controllers, and Pi/Arduino shields — sized by current and protocol.
15A Single DC Motor Driver visual preview15A Single DC Motor Driver
2×15A DC Motor Driver visual preview2×15A DC Motor Driver
20A Bidirectional Brushed ESC Speed Controller without Brake (XT60 Connector) visual preview20A Bidirectional Brushed ESC Speed Controller without Brake (XT60 Connector)
2x1A DC Motor Shield for Arduino visual preview2x1A DC Motor Shield for Arduino
2x2A DC Motor Shield for Arduino visual preview2x2A DC Motor Shield for Arduino
2x3A DC Motor Driver Carrier Board for UNIHIKER M10 visual preview2x3A DC Motor Driver Carrier Board for UNIHIKER M10
2x7A DC Motor Driver visual preview2x7A DC Motor Driver
40A Bidirectional Brushed ESC Speed Controller (XT60, No Brake) visual preview40A Bidirectional Brushed ESC Speed Controller (XT60, No Brake)
8-Channel PWM or Servo FeatherWing visual preview8-Channel PWM or Servo FeatherWing
Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface [PCA9685] visual previewAdafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface [PCA9685]
Adafruit 16-Channel 12-bit PWM/Servo Shield - I2C interface visual previewAdafruit 16-Channel 12-bit PWM/Servo Shield - I2C interface
Adafruit 16-Channel PWM / Servo Bonnet for Raspberry Pi visual previewAdafruit 16-Channel PWM / Servo Bonnet for Raspberry Pi
12V 184P Gear Motor with Encoder visual previewN20 micros in 1:50–1:298 ratios, 6V TT gearbox motors (120:1, 160RPM), 12V quadrature encoder gearmotors up to 45kg.cm, plus coreless micros, vibration discs, USB fans and a few outlier brushless motors.
Motors & actuators · DC & gear motors · 135 parts
12V Solenoid Valve - DN15 visual previewSolenoid valves (DN15/DN20 12V), 6V pneumatic air valves, push-pull and lock-style solenoids, 5V electromagnets (3–35kg holding force), 6V electric push rods (10–100mm stroke), peristaltic dosing pumps and submersible water pumps.
Motors & actuators · Pumps & solenoids · 41 parts
1 Degree of Freedom DF05BB Steering Head visual previewRobot chassis (2WD miniQ, 4WD mecanum, 6WD outdoor), mecanum wheels (48–97mm), brass hex hubs (4–6mm), shaft couplers, 2GT timing pulleys and uArm robotic arms.
Motors & actuators · Robotics & mechanics · 144 parts
2.3KG Serial Bus Servo (6V) visual preview9g micros and clutch PWM servos, IP67 metal servos to 35KG, and ST/SC/CF serial bus servos (2.3kg to 120kg.cm at 24V) — protocol matters as much as torque rating here.
Motors & actuators · Servos · 100 parts