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SELECTION GUIDE micro:bit

DFRobot micro:bit Expansion Board Selection Guide

DFRobot Dec 25 2018 635
DFRobot micro:bit Expansion Board Selection Guide

Product Name

micro:bit - an Educational & Creative Tool for Kids (Discontinued)

micro:Mate - a Mini & Thin Expansion Board for micro:bit (Gravity Compatible)

micro:bit Expansion Board for Boson (Gravity Compatible)

Figure

SKU

DFR0497

DFR0518

DFR0521

Operating Voltage

3.5~5.5V

3.3V/5V

3.3V

Power supply

DC2.1/Terminals

USB

USB

External supply voltage

3.5~5.5V

3.3V/5V

3.3V/5V

Digital ports (IO/PWM)

17/8

3

3

Analog ports (input/output)

P0、P1、P2

3

3

UART

x

x

x

I2C

2

x

x

SPI

x

x

x

Interrupt pin (quantity)

x

x

x

Interface Type

Gravity

Gravity

Gravity

3.5mm headphone port

x

Dimension

63 x 58 mm

68.5×53.3 mm

80×70 mm

Mounting hole

50*55

/

/

Weight (g)

64

23

48

Drive the servo

x

Scenarios

Many motors and sensors needed

Suitable for small Works

Initial Stage

Key Features

17 io ports with 2 i2c interfaces Can drive Quad DC Motor Driver

IO port expands 6 and the pin replaces the edge connector slot Anti-reverse pad on the back, which protects the control board and prevents micro-reverseDrive high current equipment, such as steering gear, components connected to 8 12 16

3-Pin fool-proof connector x 6 Edge Connector Compatible with sensor Compatible sensor list Gravity: Digital PIR (Motion) Sensor For Arduino Gravity: Digital Capacitive Touch Sensor For Arduino Gravity:Analog Rotation Potentiometer Sensor V1 For Arduino Gravity:Analog Grayscale Sensor For Arduino Gravity: Analog Sound Sensor For Arduino Gravity: Joystick Module V2 Gravity: Analog Slide Position (Potentiometer) Sensor For Arduino Gravity: Analog AC Current Sensor Gravity: Heart Rate Monitor Sensor for Arduino Gravity: Digital Speaker Module

Add to Cart

Add to Cart

Add to Cart

Add to Cart

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