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mysensors-wall-thermostat

termostat

more complex description coming soon

Parts list

You can support this project by buing from this affiliate links

Allegro

OLED Display
Mega2560 PRO
W5500 - i am using the red one, but this one is working as well.
SHT-31
DS18B20
5V POE Splitter Micro USB
3-Pin JST
10cm Jumper Wires F/F
40cm Jumper Wires F/F
YTDY 10x0,5
SN-01BM
Goldpin BLD-16
Goldpin BLD-03
Goldpin BLD-04
Goldpin BLD 2,54mm
Black cloth tape
40mm heat shrink
5mm heat shrink
3mm heat shrink
Smoked Plexiglass
Vimar Eikon Evo 21654.01
Vimar Eikon Evo 20066
Vimar Eikon Evo 21614
Vimar Eikon Evo 20042

Tools/material you also may need:
Hot glue gun
Hot glue
Heat gun
Soldering station
Tin-lead
PoE Switch

Screenshots

Home Assistant

grafik

Domoticz

grafik grafik

Wiring diagram

OLED 1.5", SPI/I2C interfaces, 16-bit grey level:
VCC -> 5V (red)
GND -> GND (black)
DIN -> D3 (blue)
CLK -> D2 (yellow)
CS -> D4 (orange)
DC -> D5 (green)
RST -> D6 (white)

SHT-30:
VIN -> 3.3V (30cm Jumper Wire F/F red)
GND -> GND (30cm Jumper Wire F/F black)
SCL -> D21 (30cm Jumper Wire F/F blue)
SAA -> D20 (30cm Jumper Wire F/F green)

W5100:
V+5 -> 5V (10cm Jumper Wire F/F purple)
GND -> GND (10cm Jumper Wire F/F black)
NSS -> D10 (10cm Jumper Wire F/F brown)
MO -> D51 (10cm Jumper Wire F/F blue)
SOK -> D52 (10cm Jumper Wire F/F yellow)
MI -> D50 (10cm Jumper Wire F/F green)

Buttons:
UP -> D17 (YTDY 10x0,5 orange)
DOWN -> D15 (YTDY 10x0,5 white)
MENU -> D14 (YTDY 10x0,5 brown)
OK -> D16 (YTDY 10x0,5 grey)

DS18B20:
1st signal -> D13 (YTDY 10x0,5 yellow)
2nd signal -> D11 (YTDY 10x0,5 green)
3rd signal -> D9 (YTDY 10x0,5 blue)
4th signal -> D7 (YTDY 10x0,5 purple)
VCC -> 5V (YTDY 10x0,5 red)
GND -> GND (YTDY 10x0,5 black)

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MySensors OLED wall thermostat

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