Magnetically Actuated Microrobot Kit — Arduino-Controlled Electromagnet Array for Precision Fluid Maze Steering

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

This kit puts you at the forefront of micro-robotics. You’ll assemble an array of eight electromagnets, wire four dual H-bridge drivers, and write Arduino code to generate precise current patterns—all to steer a millimeter-scale magnetic bead through a fluid maze. Whether you're prototyping a lab-on-a-chip experiment or building a capstone project on remote magnetic actuation, this kit gives you the full stack from coils to data logging.

What You'll Build

By the end, you will have a fully functional electromagnetic steering stage. Place a tiny magnetic bead in a petri dish filled with a transparent fluid, and use the OLED display and serial plotter to visualize coil currents and real-time bead position. You can program waypoint sequences, log trajectories onto a microSD card, and even implement closed-loop control using the INA219 current sensors for repeatable paths.

What You'll Learn

• Design and calibrate an 8-coil electromagnet array for planar magnetic field generation
• Interface L298N drivers and INA219 high-side current sensors with Arduino Mega to control and monitor coil currents precisely
• Implement PID or PI control loops in Arduino to steer a magnetic bead in a fluid with sub-millimeter

  External electromagnet array steers a small magnetic bead through a fluid maze. Arduino controls coil current.

  What's in this kit

  • Arduino Mega 2560
  • L298N Driver x4
  • Electromagnet 12V x8
  • INA219 Current Sensor x4
  • 0.96in OLED
  • MicroSD Module
  • 1N4007 Diode x10
  • 100µF 25V Caps x8
  • 100nF Caps x15
  • PCB Prototype Board x3
  • 12V 5A PSU
  • Soldering Iron
  • Solder Wire

  Choose your assembly option:

  • Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
  • Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.