abbreviation	payload example	description
ts	YYYY-MM-DDThh:mm:ss.fffZ	time stamp according to ISO8601: year:YYYY, month:MM, day:DD, hour:hh, minute:mm, second:ss, fraction:fff

MQTT Remote (fischertechnik Cloud)

fischertechnik Cloud / Dashboard

Component SUBSCRIBE	topic	payload
Environment Sensor	i/bme680	see TxtFactoryMain PUBLISH
Brightness Sensor	i/ldr	see TxtFactoryMain PUBLISH
Camera Picture	i/cam	see TxtFactoryMain PUBLISH
Pos Pan-Tilt-Unit	i/ptu/pos	see TxtFactoryMain PUBLISH
Alert Message	i/alert	see TxtFactoryMain PUBLISH
Broadcast	i/broadcast	see TxtFactoryMain PUBLISH
State HBW	f/i/state/hbw	see TxtFactoryHBW PUBLISH
State VGR	f/i/state/vgr	see TxtFactoryVGR PUBLISH
State MPO	f/i/state/mpo	see TxtFactoryMPO PUBLISH
State SLD	f/i/state/sld	see TxtFactorySLD PUBLISH
State DSI (VGR)	f/i/state/dsi	see TxtFactoryDSI PUBLISH
State DSO (VGR)	f/i/state/dso	see TxtFactoryDSO PUBLISH
Stock HBW	f/i/stock	see TxtFactoryHBW PUBLISH
State Order(VGR)	f/i/order	see TxtFactoryVGR PUBLISH
State NFC Device (VGR)	f/i/nfc/ds	see TxtFactoryVGR PUBLISH

Component PUBLISH	topic	payload
TXT Pairing Ack	c/link	internal usage
Config Rate Environment Sensor	c/bme680
Config Rate Brightness Sensor	c/ldr
Config Rate Camera Picture	c/cam
Control Buttons Pan-Tilt-Unit	o/ptu
Quit Button	f/o/state/ack
Order Workpiece Buttons	f/o/order
Action Buttons NFC Module	f/o/nfc/ds

MQTT Programs

TxtFactoryMain

| Component SUBSCRIBE | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | TXT Pairing Ack | c/link | | Config Rate Environment Sensor | c/bme680 | | Config Rate Brightness Sensor | c/ldr | | Config Rate Camera Picture | c/cam | | Control Buttons Pan-Tilt-Unit | o/ptu | | State HBW | f/i/state/hbw | | State VGR | f/i/state/vgr | | State MPO | f/i/state/mpo | | State SLD | f/i/state/sld | | State DSI (VGR) | f/i/state/dsi | | State DSO (VGR) | f/i/state/dso |

Component PUBLISH	topic	payload	description
Environment Sensor	i/bme680	`{ "ts":"YYYY-MM-DDThh:mm:ss.fffZ", "t":25.1, "rt":25.01, "h":40.0, "rh":38.01, "p":1000.15, "iaq":200, "aq":3, "gr":161000 }`	t/rt: temperature compensated / raw value [°C], h/ rh: relative humidity compensated / raw value [%], p: air pressure [hPa], iaq: index air quality 0-500 (0...50:Good, 51...100:Moderate, 101...150:Unhealthy for Sensitive Groups, 151...200:Unhealthy, 201...300:Very Unhealthy, 301...500:Hazardous), aq: air quality score 0-3 (0:IAQ invalid, 1:calibration necessary, 2:calibration done, 3:IAQ is calibrated), gr: gas resistance [Ohm]
Brightness Sensor	i/ldr	`{ "ts":"YYYY-MM-DDThh:mm:ss.fffZ", "br":100.0, "ldr":15000 }`	br: brightness 0-100.0 [%], ldr: value resistance 0-15000 [Ohm]
Camera Picture	i/cam	`{ "ts":"YYYY-MM-DDThh:mm:ss.fffZ", "data":"data:image/jpeg;base64,\<...\>" }`	data: camera image as base64 string
Pos Pan-Tilt-Unit	i/ptu/pos	`{ "ts":"YYYY-MM-DDThh:mm:ss.fffZ", "pan":0.5, "tilt":-0.5}`	pan: relative position pan: -1.000...0.000...1.000, tilt: relative position tilt: -1.000...0.000...1.000
Alert Message	i/alert	`{ "ts":"YYYY-MM-DDThh:mm:ss.fffZ", "id":"bme680/t", "data":"data:image/jpeg;base64,\<...\>", "code":100 }`	id: bme680/t=temperature, bme680/h=humidity, bme680/p=pressure, bme680/iaq=air quality, ldr=brightness/photo resistor, cam=camera, data: sensor value / camera image as string, code: 100=Alarm: Movement detected!, 200=Alarm: danger of frost! temperature < 4.0 °C, 300=Alarm: Hohe Luftfeuchtigkeit! humidity > 80%
Broadcast	i/broadcast	internal usage
Joysticks	fl/ssc/joy

TxtFactoryMPO

| Component SUBSCRIBE | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | Quit Button | f/o/state/ack | | VGR Trigger | fl/vgr/do | | Acknowledgment SLD | fl/sld/ack |

| Component PUBLISH | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | State MPO | f/i/state/mpo | | Acknowledgment MPO | fl/mpo/ack |

TxtFactoryHBW

| Component SUBSCRIBE | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | Quit Button | f/o/state/ack | | Joysticks | fl/ssc/joy | | VGR Trigger | fl/vgr/do |

| Component PUBLISH | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | State HBW | f/i/state/hbw | | Stock HBW | f/i/stock | | Acknowledgment HBW | fl/hbw/ack |

TxtFactoryVGR

| Component SUBSCRIBE | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | Quit Button | f/o/state/ack | | Order Workpiece Buttons | f/o/order | | Action Buttons NFC Module | f/o/nfc/ds | | Joysticks | fl/ssc/joy | | Acknowledgment MPO | fl/mpo/ack | | Acknowledgment HBW | fl/hbw/ack | | Acknowledgment SLD | fl/sld/ack |

| Component PUBLISH | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | State VGR | f/i/state/vgr | | State DSI (VGR) | f/i/state/dsi | | State DSO (VGR) | f/i/state/dso | | VGR Trigger | fl/vgr/do |

TxtFactorySLD

| Component SUBSCRIBE | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | Quit Button | f/o/state/ack | | Acknowledgment MPO | fl/mpo/ack |

| Component PUBLISH | topic | payload | description | | ---------------------------—:|-----------------—|-------—|------------—| | State SLD | f/i/state/sld | | Acknowledgment SLD | fl/sld/ack |