Motor ideas and tutorials

• Wikipedia has tons of information on steppers
• Jones on stepper motor types
• Jason on reverse engineering the stepper wire pinouts

Files

• PCA9685 PWM driver
• TB6612 Motor driver
• PCB files on GitHub
• HAT Fritzing object in the Adafruit Fritzing Library
• Bonnet Fritzing object in the Adafruit Fritzing Library
• Bonnet 3D model on GitHub

Schematic

Click to embiggen

Bonnet, Rev B

Bonnet, Rev A

Fabrication Print

This is a 'HAT mechanical standard' compatible!

Bonnet, Rev B

Bonnet, Rev A

3D model DC Stepper Motor Bonnet