This expansion board is designed for Raspberry Pi, no external cable is needed, the Raspberry Pi board can be inserted directly. It is equipped with PCA9685 chip, RGB colored lights, buzzer, GPIO lights and other common hardware resources. Built-in 6-channel servo interface, 2-channel DC motor interface and various module interfaces for you to expand upon. The biggest difference of this expansion board is that it includes a speaker interface and an audio interface, which enables it to realize the voice broadcast function. In addition, we design various protection circuits and two different power supply interfaces, T-type and DC3.5. In conclusion, this expansion board will be the best experimental partner for your Raspberry Pi board in robotics experiments.
1. Equipped with PCA9685 chip, IIC communication
2. Built-in RGB colored lights, buzzer, GPIO lights and other resources
3. Supports 6-channel servo and 2-channel DC motor control
4. Support connection of projector module, ultrasonic module
5. With speaker interface, audio interface
6. Two stable power supply modes: RC type T battery, DC3.5 lithium battery pack
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