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Daisuke Baba
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Extract an example flow to a single file
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‎README.md‎

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@@ -60,182 +60,8 @@ sudo systemctl restart candy-red
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```
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The above command performs `hciconfig hci0 reset` as well. So you don't have to run `hciconfig` command separately.
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# Example Flow
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You can import this flow on Node-RED UI. You need to change Generic BLE config node named `nRF5x` or add a new config node for your device.
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```
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[
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{
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"id": "12121a3f.3ee31e",
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"type": "tab",
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"label": "Generic BLE Example",
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"disabled": false,
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"info": "This flow shows BLE Read/Write example.\n"
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},
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{
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"id": "11b829f1.d5215e",
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"type": "Generic BLE in",
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"z": "12121a3f.3ee31e",
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"name": "",
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"genericBle": "95ea8a12.e7aa38",
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"useString": false,
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"notification": false,
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"x": 337.5,
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"y": 259.25,
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"wires": [
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[
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"486cfab5.aec02c",
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"f5a90326.7009a"
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]
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]
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},
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{
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"id": "64b63eaf.52e4a8",
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"type": "inject",
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"z": "12121a3f.3ee31e",
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"name": "Get Battery Level",
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"topic": "",
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"payload": "",
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"payloadType": "date",
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"repeat": "",
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"crontab": "",
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"once": false,
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"x": 223.5,
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"y": 129.25,
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"wires": [
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[
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"11b829f1.d5215e"
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]
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]
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},
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{
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"id": "486cfab5.aec02c",
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"type": "debug",
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"z": "12121a3f.3ee31e",
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"name": "",
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"active": false,
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"console": "false",
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"complete": "false",
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"x": 706.5,
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"y": 259.5,
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"wires": []
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},
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{
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"id": "3c6ec3aa.24cfbc",
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"type": "Generic BLE out",
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"z": "12121a3f.3ee31e",
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"name": "",
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"genericBle": "95ea8a12.e7aa38",
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"x": 576.5,
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"y": 489.5,
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"wires": []
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},
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{
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"id": "90562835.fb6488",
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"type": "inject",
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"z": "12121a3f.3ee31e",
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"name": "Write Some Data",
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"topic": "",
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"payload": "{\"2a00\":\"yayyay\"}",
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"payloadType": "json",
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"repeat": "",
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"crontab": "",
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"once": false,
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"x": 212.5,
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"y": 490.25,
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"wires": [
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[
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"3c6ec3aa.24cfbc"
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]
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]
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},
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{
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"id": "f5a90326.7009a",
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"type": "function",
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"z": "12121a3f.3ee31e",
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"name": "Extract Battery Level",
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"func": "var payload = msg.payload;\nvar buff = payload.characteristics['2a19'] || []\nmsg.payload = buff[0];\nreturn msg;",
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"outputs": 1,
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"noerr": 0,
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"x": 457.5,
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"y": 353.75,
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"wires": [
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[
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"33bc905d.f4a09"
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]
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]
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},
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{
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"id": "33bc905d.f4a09",
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"type": "debug",
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"z": "12121a3f.3ee31e",
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"name": "",
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"active": true,
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"console": "false",
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"complete": "false",
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"x": 704.5,
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"y": 353.5,
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"wires": []
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},
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{
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"id": "95ea8a12.e7aa38",
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"type": "Generic BLE",
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"z": "",
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"localName": "nRF5x",
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"address": "f9:00:99:99:99:99",
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"uuid": "f90099999999",
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"listeningPeriod": "1000",
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"characteristics": [
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{
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"uuid": "2a00",
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"name": "Device Name",
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"type": "org.bluetooth.characteristic.gap.device_name",
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"notifiable": false,
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"readable": true,
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"writable": true,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a01",
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"name": "Appearance",
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"type": "org.bluetooth.characteristic.gap.appearance",
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"notifiable": false,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a04",
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"name": "Peripheral Preferred Connection Parameters",
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"type": "org.bluetooth.characteristic.gap.peripheral_preferred_connection_parameters",
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"notifiable": false,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a05",
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"name": "Service Changed",
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"type": "org.bluetooth.characteristic.gatt.service_changed",
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"notifiable": false,
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"readable": false,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a19",
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"name": "Battery Level",
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"type": "org.bluetooth.characteristic.battery_level",
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"notifiable": true,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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}
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]
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}
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]
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```
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# Appendix
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‎examples/01.read-write.json‎

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[
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{
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"id": "12121a3f.3ee31e",
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"type": "tab",
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"label": "Generic BLE Example",
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"disabled": false,
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"info": "This flow shows BLE Read/Write example.\n"
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},
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{
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"id": "11b829f1.d5215e",
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"type": "Generic BLE in",
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"z": "12121a3f.3ee31e",
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"name": "",
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"genericBle": "95ea8a12.e7aa38",
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"useString": false,
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"notification": false,
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"x": 337.5,
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"y": 259.25,
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"wires": [
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[
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"486cfab5.aec02c",
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"f5a90326.7009a"
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]
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]
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},
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{
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"id": "64b63eaf.52e4a8",
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"type": "inject",
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"z": "12121a3f.3ee31e",
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"name": "Get Battery Level",
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"topic": "",
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"payload": "",
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"payloadType": "date",
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"repeat": "",
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"crontab": "",
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"once": false,
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"x": 223.5,
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"y": 129.25,
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"wires": [
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[
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"11b829f1.d5215e"
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]
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]
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},
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{
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"id": "486cfab5.aec02c",
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"type": "debug",
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"z": "12121a3f.3ee31e",
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"name": "",
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"active": false,
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"console": "false",
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"complete": "false",
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"x": 706.5,
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"y": 259.5,
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"wires": []
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},
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{
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"id": "3c6ec3aa.24cfbc",
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"type": "Generic BLE out",
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"z": "12121a3f.3ee31e",
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"name": "",
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"genericBle": "95ea8a12.e7aa38",
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"x": 576.5,
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"y": 489.5,
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"wires": []
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},
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{
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"id": "90562835.fb6488",
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"type": "inject",
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"z": "12121a3f.3ee31e",
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"name": "Write Some Data",
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"topic": "",
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"payload": "{\"2a00\":\"yayyay\"}",
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"payloadType": "json",
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"repeat": "",
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"crontab": "",
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"once": false,
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"x": 212.5,
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"y": 490.25,
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"wires": [
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[
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"3c6ec3aa.24cfbc"
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]
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]
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},
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{
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"id": "f5a90326.7009a",
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"type": "function",
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"z": "12121a3f.3ee31e",
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"name": "Extract Battery Level",
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"func": "var payload = msg.payload;\nvar buff = payload.characteristics['2a19'] || []\nmsg.payload = buff[0];\nreturn msg;",
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"outputs": 1,
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"noerr": 0,
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"x": 457.5,
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"y": 353.75,
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"wires": [
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[
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"33bc905d.f4a09"
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]
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]
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},
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{
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"id": "33bc905d.f4a09",
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"type": "debug",
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"z": "12121a3f.3ee31e",
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"name": "",
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"active": true,
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"console": "false",
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"complete": "false",
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"x": 704.5,
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"y": 353.5,
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"wires": []
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},
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{
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"id": "95ea8a12.e7aa38",
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"type": "Generic BLE",
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"z": "",
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"localName": "nRF5x",
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"address": "f9:00:99:99:99:99",
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"uuid": "f90099999999",
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"listeningPeriod": "1000",
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"characteristics": [
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{
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"uuid": "2a00",
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"name": "Device Name",
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"type": "org.bluetooth.characteristic.gap.device_name",
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"notifiable": false,
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"readable": true,
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"writable": true,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a01",
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"name": "Appearance",
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"type": "org.bluetooth.characteristic.gap.appearance",
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"notifiable": false,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a04",
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"name": "Peripheral Preferred Connection Parameters",
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"type": "org.bluetooth.characteristic.gap.peripheral_preferred_connection_parameters",
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"notifiable": false,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a05",
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"name": "Service Changed",
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"type": "org.bluetooth.characteristic.gatt.service_changed",
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"notifiable": false,
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"readable": false,
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"writable": false,
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"writeWithoutResponse": false
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},
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{
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"uuid": "2a19",
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"name": "Battery Level",
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"type": "org.bluetooth.characteristic.battery_level",
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"notifiable": true,
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"readable": true,
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"writable": false,
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"writeWithoutResponse": false
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}
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]
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}
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]

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