Add setMultiplePWM() function
#103
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Purpose
Having to update up to 16 servo takes a long time as each update needs to start and end an I2C transmission.
The function
setMultiplePWMallows for bulk update of pwm values.Description
The function creates and populates a buffer with pwm settings for multiple channels before sending it in one I2C transmission.
Scope
Examples
pwmtest.inois a great example of the use case