<<<<<<< HEAD using a PCA9685 servo driver with a stm32f103c8t6 (blue pill) with libopencm3 stm32-PCA9685 Connecting to a PCA9685 16-Channel PWM extender from a STM32F103 via i2C using libopencm3 ce54a3ef8a028f52397ba43bcb9f3d28d9a97f72