Servo PWM Pi Zero

The Servo PWM Pi Zero is a 16-channel, 12-bit PWM controller for the Raspberry Pi, suitable for driving LEDs and radio control servos. The board is based around PCA9685 PWM I2C LED controller IC from NXT and can drive each of the 16 outputs with 12 bit (4096 steps) duty cycle from 0%  to 100%.

The output frequency is programmable from a typical 40Hz to 1000Hz. Each output driver is programmed to be either open-drain with a 22 mA current sink capability at 5 V or totem pole with a 22 mA sink, 10 mA source capability at 5 V. 220R current limiting resistors are used on each channel allowing you to connect servos or LEDs directly to the outputs.

Notes

• The Servo Pi is only compatible with analogue RC servos, digital servos will not work.
• For safety reasons the Servo PWM Pi Zero is not connected to the 5V power rail on the Raspberry Pi. You'll need to power it separately using the PWR pads.
• Check the product page for more specific usage information