µNav PCB

The first DC motor board in 4cm X 4cm - PCB boards for µNav

This is a project in development by Officine Robotiche team, the check info at official µNav site.

Feel free to ask for help, submit suggestions, satisfy your curiosity on our Users Group

###Join on open firmware project uNAV.X!!!

Hardware features

• 2 DC motor control (external encoders and double H-bridge are required)
• size: 4cm x 4cm
• Matrix board with holes 2.54mm compliant
• Free 256Kb EEPROM in I2C
• Voltage input (Max 23V to 6V)
• 2 internal regulators:
  • External input -> 5V
  • 5V -> 3.3V
• 4 LEDs
• ICSP programming

DC Motor control

• 2 PWM outputs to control the speed of the motors
• Encoder input. You can select 5V input or 3.3V to power on your encoders:
  • 2 channels (A, B)
  • 3 channels (A, B and Z axis)
• Analog input for current sensing
• Analog input for temperature sensing
• Pin to enable H-Bridge

Communications

• 2 serial ports
• 1 I2C port
• 7 GP I/O (You can add feature remapping pins)

Available Shields

• µBridge

Graphical tool for PID tuning

• uNav_PID_Tuner