pxt-calliope/docs/extensions.md

# @extends

## Extension Gallery #gallery

Check out [microbit.org](http://microbit.org/resellers/) for more information on these accessories and where to buy them.

## Robotics

```codecard
[{
  "name": "4tronix BitBot",
  "url":"/pkg/4tronix/BitBot",
  "cardType": "package"
}, {
  "name": "SRS BitBot",
  "url":"/pkg/srs/pxt-bitbot",
  "cardType": "package"
}, {
  "name": "Sunfounder Sloth",
  "url":"/pkg/sunfounder/pxt-sloth",
  "cardType": "package"
}, {
  "name": "UCL Junk Robot",
  "url":"/pkg/chevyng/pxt-ucl-junkrobot",
  "cardType": "package"
}, {
  "name": "Kittenbot RobotBit",
  "url":"/pkg/kittenbot/pxt-robotbit",
  "cardType": "package"
}, {
  "name": "inex iBit",
  "url":"/pkg/emwta/pxt-iBit",
  "cardType": "package"
}, {
  "name": "k8 robotics kit",
  "url":"/pkg/k8robotics/pxt-k8",
  "cardType": "package"
}, {
  "name": "Gigglebot",
  "url":"/pkg/dexterind/pxt-giggle",
  "cardType": "package"
}]
```

## Gaming

```codecard
[{
  "name": "Sparkfun Gamer:bit",
  "url":"/pkg/sparkfun/pxt-gamer-bit",
  "cardType": "package"
}]
```

## STEM

```codecard
[{
  "name": "micro:turtle",
  "url":"/pkg/microsoft/pxt-microturtle",
  "cardType": "package"
}, {
  "name": "NeoPixel",
  "url":"/pkg/microsoft/pxt-neopixel",
  "cardType": "package"
}, {
  "name": "Sparkfun Moto:bit",
  "url":"/pkg/sparkfun/pxt-moto-bit",
  "cardType": "package"
}, {
  "name": "Sparkfun Weather:bit",
  "url":"/pkg/sparkfun/pxt-weather-bit",
  "cardType": "package"
}, {
  "name": "Minode Kit",
  "url":"/pkg/minodekit/pxt-minode",
  "cardType": "package"
}, {
  "name": "Grove inventor kit",
  "url":"/pkg/Seeed-Studio/pxt-grove",
  "cardType": "package"
}, {
    "name": "WS2812B",
    "url": "/pkg/microsoft/pxt-ws2812b",
    "cardType": "package"
}, {
    "name": "Pimoroni Envirobit",
    "url": "/pkg/pimoroni/pxt-envirobit",
    "cardType": "package"
}, {
    "name": "MakerBit",
    "url": "/pkg/1010Technologies/pxt-makerbit",
    "cardType": "package"
}]
```

## Sensing & Individual Components

```codecard
[{
  "name": "MAX6675",
  "url":"/pkg/microsoft/pxt-max6675",
  "cardType": "package"
}, {
  "name": "Sonar",
  "url":"/pkg/microsoft/pxt-sonar",
  "cardType": "package"
}, {
  "name": "Bluetooth Temperature Sensor",
  "url":"/pkg/microsoft/pxt-bluetooth-temperature-sensor",
  "cardType": "package"
}, {
  "name": "Bluetooth MAX6675",
  "url":"/pkg/microsoft/pxt-bluetooth-max6675",
  "cardType": "package"
}, {
  "name": "ssd1306 OLED",
  "url":"/pkg/Tinkertanker/pxt-oled-ssd1306",
  "cardType": "package"
}, {
  "name": "ky040 rotary",
  "url":"/pkg/Tinkertanker/pxt-rotary-encoder-ky040",
  "cardType": "package"
}, {
  "name": "GY521",
  "url":"/pkg/PaulDFoster/pxt-microbit-GY521",
  "cardType": "package"
}, {
  "name": "PCA9685 LED controller",
  "url":"/pkg/jdarling/pxt-pca9685",
  "cardType": "package"
}, {
    "name": "Imagimaker Magisheild",
    "url":"/pkg/Imagimaker/pxt-imagimaker",
    "cardType": "package"
}]
```

## Internet of Things
```codecard
[{
  "name": "DF Robot Obloq",
  "url":"/pkg/DFRobot/pxt-Obloq",
  "cardType": "package"
}]
```

## Other

```codecard
[
  {
  "name": "File System",
  "url":"/pkg/microsoft/pxt-filesystem",
  "cardType": "package"
}, {
  "name": "Code Dojo Olney",
  "url":"/pkg/CoderDojoOlney/pxt-olney",
  "cardType": "package"
}, {
  "name": "File System",
  "url":"/pkg/microsoft/pxt-filesystem",
  "cardType": "package"
}, {
  "name": "MIDI",
  "url":"/pkg/microsoft/pxt-midi",
  "cardType": "package"
}, {
  "name": "Bluetooth MIDI",
  "url":"/pkg/microsoft/pxt-bluetooth-midi",
  "cardType": "package"
}, {
  "name": "BlockyTalkyBLE",
  "url":"/pkg/LaboratoryForPlayfulComputation/pxt-BlockyTalkyBLE",
  "cardType": "package"
}, {
  "name": "Katakana",
  "url":"/pkg/mbitfun/pxt-katakana",
  "cardType": "package"
}, {
  "name": "Muselab WiFi IoT Sheild",
  "url":"/pkg/MUSELAB/pxt-wifi-shield",
  "cardType": "package"
},  {
  "name": "LINE BLE beacon",
  "url":"/pkg/pizayanz/pxt-linebeacon",
  "cardType": "package"
}, {
  "name": "Pimoroni Scrollbit",
  "url":"/pkg/pimoroni/pxt-scrollbit",
  "cardType": "package"
}, {
  "name": "SBRICK",
  "url":"/pkg/vengit/pxt-sbrick",
  "cardType": "package"
}, {
  "name": "Pimoroni Automationbit",
  "url":"/pkg/pimoroni/pxt-automationbit",
  "cardType": "package"
}, {
  "name": "Annikken Andee",
  "url":"/pkg/Annikken/pxt-Andee",
  "cardType": "package"
}]
```