Unknown command: @extends
[{
  "name": "NeoPixel",
  "url":"/pkg/microsoft/pxt-neopixel",
  "cardType": "package"
},{
  "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": "Code Dojo Olney",
  "url":"/pkg/CoderDojoOlney/pxt-olney",
  "cardType": "package"
}, {
  "name": "UCL Junk Robot",
  "url":"/pkg/chevyng/pxt-ucl-junkrobot",
  "cardType": "package"
}, {
  "name": "SRS BitBot",
  "url":"/pkg/srs/pxt-bitbot",
  "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": "ssd1306 OLED",
  "url":"/pkg/Tinkertanker/pxt-ssd1306-microbit",
  "cardType": "package"
}, {
  "name": "ky040 rotary",
  "url":"/pkg/Tinkertanker/pxt-ky040-microbit",
  "cardType": "package"
}, {
  "name": "GY521",
  "url":"/pkg/PaulDFoster/pxt-microbit-GY521",
  "cardType": "package"
}, {
  "name": "Sparkfun Gamer:bit",
  "url":"pkg/sparkfun/pxt-gamer-bit",
  "cardType": "package"
}, {
  "name": "Sparkfun Moto:bit",
  "url":"/pkg/sparkfun/pxt-moto-bit",
  "cardType": "package"
}, {
  "name": "Sparkfun Weather:bit",
  "url":"/pkg/sparkfun/pxt-moto-bit",
  "cardType": "package"
}, {
  "name": "Minode Kit",
  "url":"/pkg/minodekit/pxt-minode",
  "cardType": "package"
}]