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Happy Plant

Happy Plant.

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Happy Plant

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  1. Happy Plant Course: PostPC Computing: Embedding InteligenceTeachers: Prof. Scott Kirkpatrick Mr. Amnon DekelPresented by: Ronny Aloni (Computer Science & Biology) Vitaly Lubart (Computer Science)

  2. How does your plant feel today? The problem: people love plants growing in their home and office, but sometimes they forget to water them…

  3. Don’t let your plant get down! Our goal: build a device which senses the humidity level inside the pot, and alerts when it is not sufficient

  4. Product description INPUT OUTPUT Desired humidity level O.K. or: Problem! Current humidity measurement

  5. Product description plant classifier red/green leds On/off switch Soil humidity sensor Battery test button

  6. Product description

  7. Product description Video Demo

  8. Technology assessment • Finding the appropriate humidity sensor • Power consumption • Water resistance

  9. Measurement techniques • Gravimetric techniques • Nuclear techniques • Neutron Scattering • Gamma Attenuation • Resistive Sensor (Gypsum) * • Capacitive Sensor * • Time-Domain Reflectometer (TDR) • Tensiometric techniques • Hygrometric techniques • Remote sensing techniques • Optical Methods

  10. Capacitive Sensors The slide is taken from http://www.sowacs.com/feature/netafim/SOILMOIS.PDF

  11. Netafim Sensor The slide is taken from http://www.sowacs.com/feature/netafim/SOILMOIS.PDF

  12. Netafim Sensor The slide is taken from http://www.sowacs.com/feature/netafim/SOILMOIS.PDF

  13. When should the red light turn on? Cacti and succulents- let soil dry out almost completely Flowering plants-Keep moist at all times. Don’t let the soil dry out. Foliage plants- keep uniformly moist but not wet. The soil may dry out a bit.

  14. Cost • Sensor : up to 5 $ • Box : several cents • Batteries : ~ 2$ • Chip : 1$ • Electric circuit : 1$ • Total : up to 10 $

  15. More indicators for water stress • Measured by: • Thermometer • Porometer • Specific antibodies • Photometer Indicator: • Leaf temperature • Leaf humidification • Solute concentration • ABA hormone • Chlorophyll concentraion

  16. Thank You

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