This daughtercard for the Raspberry Pi card controls up to 3 servos, 2 dimmable LEDs and can read 3 external switch inputs.

Features

• Raspberry Pi daughtercard
• Fits on "old" Model B or "new" Model B Plus board
• Three axis Servo PWM outputs (Servos not included)
• Two PWM Controlled LEDs
• I2C controlled 16-channel PWM controller PCA9685
• 5 channels used as above (Three Servo outputs, 2 LED outputs)
• PWM controller has internal built-in clock generator - no refresh required
• Even though the Raspberry Pi has 3.3V I/O, the PWM outputs run at 5V - compatible with typical servos
• Three switch inputs with on-board pull-ups which can be used as GPIO lines
• 3X of 10 uF SMT capacitors on rear of board for PWM/Servo noise reduction
• Right angle connectors for Low Profile
• Recessed connectors for side connectors for smallest form factor
• Very small size 1.4" x 1"
• Jumper to use 5V from Raspberry Pi (if your power supply has sufficient capacity) or pads for external power or additional capacitance if needed
• Python PWM - Adafruit driver

Why did you make it?

The Raspberry Pi doesn't have built-in PWM that works well enough to drive multiple servos. This card overcomes that limitation by providing a multiple channel I2C controlled Servo driver.

What makes it special?

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