code: func (c *digisparkI2cConnection) UpdateDelay(duration uint) error {
  	if !c.adaptor.i2c {
  		return errors.New("Digispark i2c not initialized")
  	}
  	return c.adaptor.littleWire.i2cUpdateDelay(duration)
  }
docs: // UpdateDelay updates i2c signal delay amount; tune if neccessary to fit your requirements