micro:bit is a pocket-sized microcontroller designed for kids and beginners learning how to program, letting them easily bring ideas into DIY digital games, interactive projects and robotics.

Product Image
Product Name	Micro:bit - an Educational & Creative Tool for Kids	Micro:Mate - A Mini Expansion Board for micro:bit (Gravity Compatible)	micro:bit Expansion Board for Boson (Gravity Compatible)
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
Price	$14.9	$5.9	$7.9
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-reverse Drive 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

Note: It comes with board only, USB cable and Power holder need to be purchased separately.

Microbit Tutorials

• Micro:bit board: an introduction
• 5 Easy Steps for you to Quick Start with BBC Microbit
• Micro:bit JavaScript Blocks Editor: Hello World
• Micro:bit JavaScript Blocks Editor: Turning LEDs on and off
• Micro:bit JavaScript Blocks Editor: Detecting button click events
• Micro:bit JavaScript Blocks Editor: String interpolation
• Micro:bit: MicroPython support
• Microbit Tutorial: MakeCode and micro:bit
• Micro:bit Project 1: The Mysterious Micro: bit
• Micro:bit Project 2： What Makes Our Machine “Come to Life” Interactive devices
• Microbit Project 3: Notification Light
• Mircobit Project 4: Electric Fan
• Microbit Project 2：The Flashing LED Lights
• Microbit Project 5: Electronic Candle
• Microbit Project 6: Automatic Door
• Microbit Project 7: Music Box
• Microbit Project 8: Colorful Light Strip
• Microbit Project 9 : Electronic Stabilizer
• Microbit Project 10: DJ PANEL
• Microbit Project 11: Remote Doorbell
• Microbit Project 12：Escape the maze
• Micro:bit MicroPython Tutorial 1: Concatenating strings
• Micro:bit MicroPython Tutorial 2: string repetition
  
• Micro:bit MicroPython Tutorial 3: Turning on and off the LEDs of the matrix
• Micro:bit MicroPython Tutorial 4: Getting the status of a LED
• Micro:bit MicroPython Tutorial 5: Getting temperature
• Micro:bit MicroPython Tutorial 6: creating a file in the filesystem
• Micro:bit MicroPython Tutorial 7: reading a file from the file system
• Micro:bit MicroPython Tutorial 8: Deleting a file from the file system
  Micro:bit MicroPython file system: Getting a file size
  
• Micro:bit uPython: Pausing the program execution
  
• Micro:bit uPython: using external pins for serial communication
• Micro:bit uPython: Receiving data from serial port
• UART OBLOQ IoT Module Tutorial 11 uPython: Pinging the UART OBLOQ
• UART OBLOQ IoT Module Tutorial 12 uPython: Getting firmware version of UART OBLOQ
  
• UART OBLOQ IoT Module Tutorial 13 MicroPython: Connecting the UART OBLOQ to WiFi network
• UART OBLOQ IoT Module Tutorial 14 uPython: HTTP UART OBLOQ POST request to Flask server
  UART OBLOQ IoT Module Tutorial 15 MicroPython: UART OBLOQ HTTP GET Request to Flask server

Hardware components: 

• micro:bit
• DFRobot micro:bit Expansion Shield
• DFRobot Ambient Light Sensor
• Servo Motor 9g

Microbit Project 2. How To Make A Micro:bit Heart Rate Monitor
The following tutorial will show you how to set the micro:bit beating together with your heart using the optical heart rate sensor:
Hardware components: 

• micro:bit - An Educational & Creative Tool for Kids
• Gravity: Heart Rate Monitor Sensor for Arduino

Microbit Project 3: OBLOQ-IoT Module +Micro:bit IoT Flower Watering

Hardware components: 

• Gravity: UART OBLOQ – IOT Module (Microsoft Azure)
• Micro:Mate - A Mini Expansion Board for micro:bit (Gravity Compatible)
• Micro:bit - an Educational & Creative Tool for Kids
• 9g Metal Gear Micro Servo (1.8Kg)
• One bottle and part of tube
• Gravity: Analog Capacitive Soil Moisture Sensor- Corrosion Resistant
  

Microbit Project 4: Microbit Projects: Yes/No Bear

There are 2 possible answers. Either yes or no. We randomly generate the outcome when a button is pressed. When the answer is yes, the display will show Y & the tilt servo will response. When no, the display will show N and pan servo will response.

Hardware components:

• 2 x 9G servo motor *2
• microbit *1
• micro:mate(breakout board) *1
• Pan tilt kit *1
• stuffed toy bear  *1
  

Microbit Project 5: LED writing board (micro:bit compatible)

The LED writing board is created using a photo frame that is surrounded with LED strip lights. When button A is pressed, the led strip turns white and flash. When button B is pressed, a random color is generated. To off, press button A and B together.
Hardware components: 

• photo frame *1
• RGB inpidually addressable LED strip (neo pixels)
• microbit *1
• micro:mate(breakout board)    *1

Microbit Project 6: Drinking Cola equals to Drinking Toilet Cleaner?

Hardware components: 

• Micro:bit *1
• RGB lamp ring expansion board  *1
• PH sensor *1

Microbit Project 7: Micro:bit car with DFRobot gamepad

Hardware components:

• Arcylic car chassis with 3 wheels (kit) 
• L9110 Dual Channel Motor Driver Module 
• micro:bits *2
• micro:bit mate 
• micro:gamepad 
• Double sided tape to stick the battery holder to the acrylic 
• Glue gun to immobilize the back wheel 
• Dupont cables 

Microbit Project 8: Basketball score counter

Hardware components:

• IR sensor
  
• micro:bit
• micro:mate(breakout board)
• Gravity: Digital Speaker Module
• Dupont cables
• Basketball hoop

Microbit Project 9: Mobile Doorbell System with BOSON and Micro:bit

Today we can use Micro:bit and BOSON to make a mobile doorbell, you can carry it in the house or put it in the area you often stay.

Hardware components:

• Micro:bit          *2
• Bright Light LED   *1
• Touch Sensor      *1
• Motion Sensor    *1
• Buzzer Module    *1

Microbit Project 10: micro:bit Laser Target

The ambient light sensor sensor detects the intensity of the laser pointer. If it is greater than 400, it will sound the buzzer and the servo will make the target fall and up. Game over when it reaches 10. Press A to reset score to 0.

Hardware components:

• Micro:bit *1
• DFROBOT micro:bit expansion shield *1
• DFRobot Ambient Light Sensor  *1
• DFRobot Digital Buzzer Module  *1
• laser pointer
• Servo motor 9g *1
• Popsicle 
• Bottle cap
• paper target
• Glue gun
• Crocodile clip 
• Micro switch 
• 3V battery case

Microbit Project 11: Micro:bit Light(Mood Lamp)

After programming the micro:bit, you can plug in power to Vin. The Vin will power the micro:bit.

Hardware components:

• micro:bit *1
• Gravity expansion board for micro:bit *1
• Neopixel ring 16 LEDs  *1
• Dupont cables  *1
• Old lamp  *1

Microbit Project 12: Smart Fan Control System with Micro:bit

In this article, we will show you how to create a smart fan control system with BBC micro:bit.

Hardware components:

• DFRobot BOSON starter kit for micro:bit *1
• BBC micro:bit board *1

Microbit Project 13: Micro:bit Selfie Remote 

Use the micro:bit as a wireless Bluetooth remote for a smartphone's camera.

Hardware components:

• BBC micro:bit Go *1
• Android Smartphone *1

Software apps and online services:

• micro:bit Android App
• Microsoft MakeCode

Microbit Project 14: Mother’s Day recycled craft using micro:bit,neopixel and laser cutter

Hardware components:

• Cardboard from carton box
• Neopixel strip(6 LEDS) x 2
• Dupont cables
• micro:bit
• Laser cutter

Microbit Project 15: A colorful grapefruit made use of micro:bit

As a trickster for Halloween, how can we lack an ingenious pumpkin lantern as an equipment?

Hardware components:

• Big grapefruit *1
• micro:bit *1
• micro:bit Expansion Board for Boson (Gravity Compatible) *1
• Micro:bit battery holder *1
• Light strip *1

Needle, utility knife, chopsticks or small wooden stick, scrap wire or wire, wool

Micro:bit Project 16. Magnet switch lamp with micro:bit

Hardware components: 

• Micro:bit
• Micromate
• magnet
• 8 x ws2812 5050 led ring
• Dupont cables
• Christmas Ornaments

Micro:bit Project 17. micro:bit Christmas tree

Hardware components: 

• Micro:bit *1
• Micro:Mate - A Mini Expansion Board for micro:bit  *1
• 360 servo *1
• DFPlayer - A Mini MP3 Player For Arduino *1
• Dupont cables *1

Micro:bit Project 18. Christmas Ornament with micro:bit Expansion Board

Micro:bit Project 19. Halloween pumpkin lamp made by micro:bit

How can a Halloween without a pumpkin lamp? The pumpkin lamp made of recently popular Microbit is a good choice.

• Microbit *2
• micro:bit Expansion Board for Boson (Gravity Compatible) *1
• Digital RGB LED Strip 180 LED - (3m)(weatherproof) *1
• 3.7V battery *2
• Lithium battery charger *1

Micro:bit Project 20: Micro:bit Missile Launcher

• 9G servo motor *2
• micro:bit *1
• micro:mate(breakout board) *1
• Pan tilt kit *1
• Dual-axis XY Joystick Module *1
• 2n2222 transistor *1
• WLtoys Missile shooter *1
• Dupont cables