Description
The 8-Channel PWM or Servo FeatherWing is an add-on board that adds 8 channels of 12-bit PWM outputs to any Feather board via I2C. Perfect for controlling servos, LEDs, or other PWM-controlled devices, it enables layered and expandable hardware setups with support for stacking up to 62 wings on a single I2C bus.
Key features include a built-in clock for free-running PWM operation, 5V compliance for controlling output voltage up to 6V safely from a 3.3V Feather board, adjustable PWM frequency up to approximately 1.6 KHz, and 12-bit resolution providing precise control suitable for servo motors. The board includes address select pins for stacking and customizable output configurations for push-pull or open-drain operation.
The FeatherWing is designed with practical extras such as a terminal block for power input with reverse polarity protection, a green power-good LED, 220 ohm series resistors on each output line for LED protection, and a place for a large capacitor to stabilize power. Assembly requires light soldering to install headers and customize the board for your application.
- I2C controlled PWM driver with built-in clock
- 8 x 12-bit PWM outputs
- 5V compliant with 3.3V Feather control
- Up to 62 devices stackable via I2C with unique addresses
- Adjustable PWM frequency up to ~1.6 KHz
- Configurable push-pull or open-drain outputs
- Terminal block for power input with reverse polarity protection
- Green power-good indicator LED
- 220 ohm series resistors on outputs
- Includes 2 pieces of 3×4 male straight headers, 2-pin terminal block, and 0.1″ header strip
- Dimensions: 50.8mm x 22.9mm x 1.6mm
- Weight: 3.9g
Note: Servos and Feather boards are not included. Some headers require soldering to assemble.
For detailed assembly and usage instructions, visit the Adafruit 8-Channel PWM or Servo FeatherWing tutorial.
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