16 Channel 12-Bit PWM/Servo Driver-I2C Interface PCA9685 Module for Raspberry Pi Shield Module Servo Shield for arduino DIY KIT

   Please read before buying: Because ordinary parcels do not have tracking information, so encountered the peak season of logistics, ordinary parcels will be extended to arrive, so if you mind the speed of logistics, please pay the registration fee, with faster logistics speed. When encountering slight product damage, bent pins, and scratches on the case, we will not accept refunds of disputes if they do not affect use. If you mind this situation, please do not purchase my product. When you buy my product, it is the default acceptance of this article! ! ! So we will not accept your dispute.    This is a use i2c communication, with built-in PWM drive and a clock. This means that it will have a very different and TLC5940 series. You don't need to constantly send signals to take up your SCM!    It is 5 V compatible, which means you can also use a 3.3 V single-chip microcomputer control and drive saf