Little Bird
Raspberry Pi AI functional expansion board
$9.85
$28.08
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This expansion board is designed for the Raspberry Pi, no need for an external cable, the Raspberry Pi board can insert directly. It equipped with PCA9685 ch...
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This expansion board is designed for the Raspberry Pi, no need for an external cable, the Raspberry Pi board can insert directly. It equipped with PCA9685 chip, RGB colorful lights, buzzer, GPIO lights, and other common hardware resources. Onboard 6-way servo interface, 2 way DC motor interface and various module interfaces to expand by yourself. The biggest difference of this expansion board is that it includes a speaker interface and an audio interface, so it can realize the function of voice broadcast. In addition, we also design various protection circuits on it 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.
Feature
- Equipped with PCA9685 chip, IIC communication.
- On-board RGB colorful lights, buzzer, GPIO lights, and other resources
- Support 6-way servo and 2 way DC motor control
- Support connection of searchlight module, ultrasonic module
- With speaker interface, audio interface
- Two stable power supply modes: T-type RC model battery, DC3.5 power lithium battery pack
Detail
Documents
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- RGB
- Short for red, green and blue, the three primary colours of light that are mixed in varying amounts to make a wide range of colours. In electronics RGB can refer to an LED or pixel that blends these three colours, or to a colour signal or interface that carries separate red, green and blue channels.
- servo
- A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
- Ultrasonic module
- An ultrasonic module measures distance by sending out high-frequency sound pulses and timing their echo. It is commonly used for obstacle detection and simple range-finding projects, but it needs a clear path to the target.
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