Thingiverse
homie rollo switch
door hexxter
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A touch replacement for a german shutters belt. You can drive your shutters via WLAN (MQTT) or over the touch wall switch.
cut the 4 buttons from the TTP224 and solder a wire on the caps. You need 4 wires to the SonOff Dual (Vcc, GND, Button1, Button2).
You must jumper on TTP224:
AHLB - Direct mode, CMOS active low output
SM - Single key mode
TOG - optional if it should be used as a switch and not a push button
Datasheet:
http://www.tontek.com.tw/download.asp?sn=373
SW:
https://github.com/hexxter/homie_rollo
BOM:
1x https://de.aliexpress.com/item/TTP224-4-way-Switch-Touch-Sensor-Capacitive-Touch-Sensor-Module/1934198268.html?isOrigTitle=true
1x https://www.itead.cc/sonoff-dual.html
1x https://www.amazon.de/gp/product/B003BVENE4/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
cut the 4 buttons from the TTP224 and solder a wire on the caps. You need 4 wires to the SonOff Dual (Vcc, GND, Button1, Button2).
You must jumper on TTP224:
AHLB - Direct mode, CMOS active low output
SM - Single key mode
TOG - optional if it should be used as a switch and not a push button
Datasheet:
http://www.tontek.com.tw/download.asp?sn=373
SW:
https://github.com/hexxter/homie_rollo
BOM:
1x https://de.aliexpress.com/item/TTP224-4-way-Switch-Touch-Sensor-Capacitive-Touch-Sensor-Module/1934198268.html?isOrigTitle=true
1x https://www.itead.cc/sonoff-dual.html
1x https://www.amazon.de/gp/product/B003BVENE4/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
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