28BYJ-48 Stepper Motor with ULN2003 Driver Board

🔧 28BYJ-48 Stepper Motor + ULN2003 Driver – 5V Precision Micro Stepper System

The 28BYJ-48 is a highly popular micro stepper motor known for its precision, reliability, and low power consumption.

Paired with the ULN2003 driver board, it offers smooth, accurate step control, making it ideal for robotics, automation, and DIY electronics projects.

✅ Motor Specifications (28BYJ-48):

• Operating Voltage: 5V DC
• Type: Unipolar Stepper Motor
• Coil Resistance: ≈50Ω
• Steps per Revolution:
• 32 mechanical steps
• ≈2048 effective steps with gearbox
• Gear Ratio: ≈1:64
• Step Angle: ≈0.175°
• Connector: JST 5-Pin
• Weight: ≈35g

⚙️ ULN2003 Driver Board Specs:

• Operating Voltage: 5V DC
• Driver IC: ULN2003 Darlington Array
• LED indicators for coil activation
• Compatible with Arduino, ESP32, ESP8266, Raspberry Pi
• Weight: ≈10g

🔹 Key Features:

✔ High-precision stepping (≈2048 steps/rev).

✔ Easy to control using standard libraries.

✔ Low power consumption.

✔ Ideal for DIY robotics and automation.

✔ Includes driver board for plug-and-play setup.

🧩 Common Applications:

• Mini robots and teaching kits.
• Robotic arms.
• Automated doors and small mechanisms.
• Pointer and indicator systems.
• Arduino & IoT projects.