1-wire Temperature Grid Netzwerk Teilchenwelt Projektwochen 25.10 – 6.10.2015 Janna Vischer
Project Aim 03.11.2015 Janna Vischer 2
Project Aim • Temperature Grid 03.11.2015 Janna Vischer 3
Project Aim • Temperature Grid – precise 03.11.2015 Janna Vischer 4
Project Aim • Temperature Grid – precise – high resolution 03.11.2015 Janna Vischer 5
Project Aim • Temperature Grid – precise – high resolution – small 03.11.2015 Janna Vischer 6
Project Aim • Temperature Grid – precise – high resolution – small – as less wires than possible 03.11.2015 Janna Vischer 7
Project Aim • build and programm an 1-wire Temperature Grid 03.11.2015 Janna Vischer 8
Project Aim • Build and programm an 1-wire Temperature Grid – parallel circuit 03.11.2015 Janna Vischer 9
Project Aim • Build and programm an 1-wire Temperature Grid – parallel circuit – only one GND, 5V and DQ wire 03.11.2015 Janna Vischer 10
Circuit Board 03.11.2015 Janna Vischer 11
Circuit Board 03.11.2015 Janna Vischer 12
Circuit Board 03.11.2015 Janna Vischer 13
Circuit Board 03.11.2015 Janna Vischer 14
Sensors 5V DATA GND 03.11.2015 Janna Vischer 15
Sensors • DS18B20 1-wire digital thermometer 5V DATA GND 03.11.2015 Janna Vischer 16
Sensors • DS18B20 1-wire digital thermometer • temperatures from -55°C to +125°C 5V DATA GND 03.11.2015 Janna Vischer 17
Sensors • DS18B20 1-wire digital thermometer • temperatures from -55°C to +125°C • unique 64 bit serial code (unknown) 5V DATA GND 03.11.2015 Janna Vischer 18
Software 03.11.2015 Janna Vischer 19
Software 03.11.2015 Janna Vischer 20
Prototypes 03.11.2015 Janna Vischer 21
Addressfinding 03.11.2015 Janna Vischer 22
Addressfinding 03.11.2015 Janna Vischer 23
Addressfinding 03.11.2015 Janna Vischer 24
Circuit Board 03.11.2015 Janna Vischer 25
Circuit Board • soldering paste 03.11.2015 Janna Vischer 26
Circuit Board • soldering paste • place SMD sensors 03.11.2015 Janna Vischer 27
Circuit Board • soldering paste • place SMD sensors • Reflow soldering 03.11.2015 Janna Vischer 28
First Tests 03.11.2015 Janna Vischer 29
First Tests • asking for addresses 03.11.2015 Janna Vischer 30
First Tests • asking for addresses 90/100 addresses found 03.11.2015 Janna Vischer 31
First Tests • asking for addresses 90/100 addresses found • searching for short circuits 03.11.2015 Janna Vischer 32
First Tests • asking for addresses 90/100 addresses found • searching for short circuits • correcting solderings points 03.11.2015 Janna Vischer 33
First Tests • asking for addresses 90/100 addresses found • searching for short circuits • correcting solderings points • replaceing SMDs 03.11.2015 Janna Vischer 34
First Tests 03.11.2015 Janna Vischer 35
First Tests 03.11.2015 Janna Vischer 36
Final Programm 03.11.2015 Janna Vischer 37
Final Programm 03.11.2015 Janna Vischer 38
Final Programm • 3-4 dead pixels 03.11.2015 Janna Vischer 39
Final Programm • 3-4 dead pixels – less time left 03.11.2015 Janna Vischer 40
Final Programm • 3-4 dead pixels – less time left – risk of damage 03.11.2015 Janna Vischer 41
Final Programm • 3-4 dead pixels – less time left – risk of damage – only 4% 03.11.2015 Janna Vischer 42
Experiments the Temperature Grid fingermark on the Temperature Grid 03.11.2015 Janna Vischer 43
Experiments 03.11.2015 Janna Vischer 44
Experiments 03.11.2015 Janna Vischer 45
Experiments 03.11.2015 Janna Vischer 46
Experiments 03.11.2015 Janna Vischer 47
Experiments 03.11.2015 Janna Vischer 48
Experiments 03.11.2015 Janna Vischer 49
Experiments 03.11.2015 Janna Vischer 50
Experiments 03.11.2015 Janna Vischer 51
Next Steps • plot data 03.11.2015 Janna Vischer 52
Next Steps • plot data • write dokumentation 03.11.2015 Janna Vischer 53
Next Steps • plot data • write dokumentation • optimize programms 03.11.2015 Janna Vischer 54
Thank you! 03.11.2015 Janna Vischer 55
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