{ "radio": "Communicate data using radio packets", "radio.onDataReceived": "Registers code to run when a packet is received over radio.", "radio.receiveNumber": "Reads the next packet as a number from the radio queue.", "radio.receiveString": "Reads the next packet as a string and returns it.", "radio.receivedNumberAt": "Reads a number at a given index, between ``0`` and ``3``, from the packet received by ``receive number``. Not supported in simulator.", "radio.receivedNumberAt|param|index": "index of the number to read from 0 to 3. 1 eg", "radio.receivedSignalStrength": "Gets the received signal strength indicator (RSSI) from the packet received by ``receive number``. Not supported in simulator.\nnamespace=radio", "radio.sendNumber": "Broadcasts a number over radio to any connected micro:bit in the group.", "radio.sendString": "Broadcasts a number over radio to any connected micro:bit in the group.", "radio.sendValue": "Broadcasts a name / value pair along with the device serial number\nand running time to any connected micro:bit in the group.", "radio.sendValue|param|name": "the field name (max 12 characters), eg: \"data\"", "radio.sendValue|param|value": "the numberic value", "radio.setGroup": "Sets the group id for radio communications. A micro:bit can only listen to one group ID at any time.\n@ param id the group id between ``0`` and ``255``, 1 eg", "radio.setTransmitPower": "Change the output power level of the transmitter to the given value.", "radio.setTransmitPower|param|power": "a value in the range 0..7, where 0 is the lowest power and 7 is the highest. eg: 7", "radio.setTransmitSerialNumber": "Set the radio to transmit the serial number in each message.", "radio.setTransmitSerialNumber|param|transmit": "value indicating if the serial number is transmitted, eg: true", "radio.writeValueToSerial": "Reads a value sent with `stream value` and writes it\nto the serial stream as JSON" }