DFRobot
Gravity: IO Expansion Shield for DFRduino M0
$15.80
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The IO expansion shield which is special for DFRduino M0, it extends 31 general pins from M0 board, together with DFRobot typical color code 3-pin interferen...
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The IO expansion shield which is special for DFRduino M0, it extends 31 general pins from M0 board, together with DFRobot typical color code 3-pin interference. This interference has sole power supply and can connect to the sensors directly, which make the shield have excellent scalability and compatibility. The IO expansion shield for DFRduino M0 has inputs for external power and servo's power, to ensure the stability of powering the module. Its powerful scalability and ease-of-use can help electronics enthusiasts or prototyping developers eliminate the cumbersome breadboard wiring and troubleshooting time, greatly improving development productivity and enabling them to focus more on achieving their originality and ideas.
Note: This product is only applicable to DFRduino M0, Bluno M0, not compatible with other motherboards such as Arduino Zero.
Note: This product is only applicable to DFRduino M0, Bluno M0, not compatible with other motherboards such as Arduino Zero.
SPECIFICATION
- External Power Supply: 7 ~ 23V
- External Servo Power Design
- Color-code 3Pin interface, Gravity interface compatible
- GPIOs: 31 digital pins (6 PWM port, 6 analog port)
- UART: 2
- I2C port: 1
- SPI port: 1
- Size: 62mm * 54mm/2.44 * 2.13 inches
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Gravity: IO Expansion Shield for DFRduino M0 x1
Jargon buster
Plain-language definitions for the technical terms used above.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
- 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.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
- SPI
- A fast serial communication bus often used for displays, memory cards, and sensors. It matters because SPI devices need specific pins for clock and data, plus a separate chip-select line for each device.
- UART
- UART is a simple asynchronous serial interface that sends data over separate transmit and receive wires, usually labelled TX and RX, with both ends set to the same baud rate. It is a common way for microcontrollers and other serial devices to exchange data.
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