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# Arduino touchless projects
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### Code versions
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- **touchless_basic**: Runs as long as your hand is within its reach.
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- **touchless_power_switch**: Switching devices on and off.
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- **touchless_disinfection**: Runs for a specified time and then stops. [default is 50ms]
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#### Hardware
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##### Possible Arduino variants (choose only one):
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* Arduino: - https://www.conrad.ch/de/p/arduino-ag-mikrocontroller-uno-rev3-smd-191789.html **23.-**
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* Arduino: - https://www.distrelec.ch/de/mikrocontroller-board-uno-arduino-a000066/p/11038919 **19.-**
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* Arduino Nano: - https://www.distrelec.ch/de/arduino-nano-board-arduino-a000005/p/11096733 **18.-**
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* Arduino Nano Every - https://www.distrelec.ch/de/arduino-nano-every-arduino-abx00028/p/30150884 **11.-**
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##### Required components:
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* Relay: - https://www.play-zone.ch/de/elektronik-kit-zubehoer/module-karten/relais/1-kanal-relais-modul-karte-5v-30vdc-mit-kabel.html **11.-**
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* *Alternative Relay: - https://www.distrelec.ch/de/power-relay-featherwing-adafruit-3191/p/30129209 10.-*
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* Sensor: - https://www.distrelec.ch/de/ultraschall-abstandssensor-hc-sr04-5v-adafruit-3942/p/30139186 **4.-**
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* *Alternativer Sensor: - https://www.pi-shop.ch/ultrasonic-range-sensor-hc-sr04 7.-*
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##### Zubehör
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* Display: - https://www.distrelec.ch/de/standard-lcd-16-5v-adafruit-181/p/30139065 **11.-**
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* *Alternative Display2: - https://www.distrelec.ch/de/grove-16-lcd-weiss-auf-blau-seeed-studio-104020111/p/30127509 6.-*
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* Pump (for disinfection): - https://www.conrad.ch/de/p/modelcraft-kraftstoff-getriebepumpe-benzinfest-foerdermenge-0-6-l-207894.html **13.-**
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