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Have fun monitoring your plant's soil moisture, temperature & light requirements with this $16 gadget on your cell phone!
Have fun monitoring your plant's soil moisture, temperature & light requirements with this $16 gadget on your cell phone!
Have fun monitoring your plant's soil moisture, temperature & light requirements with this $16 gadget on your cell phone!
428 backers pledged $30,001 to help bring this project to life.

About this project

Daisy - Potted Plant Soil Moisture Sensor and App project video thumbnail
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Daisy - Potted Plant Soil Moisture Sensor and App

$30,001

428

Daisy in the press...

 

Potted plants liven up our surroundings.

Healthy plants are beautiful, however over time many plants don't do so well.  You pick a plant by how it looks in the store and take it home. What does it need? Better yet, does anybody really know when it needs water?

Daisy is a low cost sensor and mobile 'game-like' application

Daisy sensor and app are designed to be fun and educational.  The Daisy Sensor measures soil moisture, temperature, and light 24 hours a day and relays this information to your smart phone or tablet.  With Daisy, there is no more guessing how your plants are doing.

Your plants cataloged right before your eyes!

Installing the Daisy Sensor system is easy.  Place the sensor in the soil around your plant, download the app and connect app to the sensor.   Name your plant, take a picture of your plant.  Check it out!

Vital Information about each plant at your fingertips

Download the Daisy App to your tablet or smart phone and the app will notify you if your plant needs water or is otherwise stressed.  For those of you who want more, click on your plant and you can view each parameters data displayed in week, month or year intervals.

The Daisy App is informative and Social

Browse our plant database and can learn about plants or post your plants, photos and growth statistics to your Facebook account and compare with friends.  

 Daisy Sensor:   A science based learning experience for kids; a plant lifesaver for the brown thumbs; and a gentle reminder for busy people, the application is an easy to use part of the system.

ECCO PRO - Stretch goal addition to offering! 

Digital spring is offering ECCO PRO sensors at a deep discount. These are professional line sensors designed for green houses or areas requiring monitoring of large shrubs or trees where the roots are well into the ground. 

Above and Below are pictures of our ECCO PRO sensors tethered to our professional data logger which communicates to your cell phone or tablet using the same interface as Daisy. 

 ECCO PRO Data logger (white) and ECCO PRO Sensors in 4 potted plants servicing various sized plants ECCO PRO Data logger (white) and ECCO PRO Sensors in 4 potted plants servicing various sized plants

Our patent pending soil moisture sensor history.

Digital Spring is able to deliver Daisy Sensor at this price point primarily due to research by two friends back in January 2013.  The below photo show our development from our first lab to where we are today.

Digital Spring Lab, Our first sensor prototypes, Jan 2013
Digital Spring Lab, Our first sensor prototypes, Jan 2013

 The Summer of 2013 we eliminated the bic pen design and moved to a distributed design shown on left, then a production viable technique (center).  Rounding out our pictures is our vision of a package for our new wireless sensor.

Summer of 2013, Our first circuit board & Prepping for testing at CSU Fresno WET lab.
Summer of 2013, Our first circuit board & Prepping for testing at CSU Fresno WET lab.

 Here we are today!  Our first sensor electronics are mated with production plastics.  Our plan is to re-package the electronics design into the Daisy Sensor form factor.  The only changes to the electronics will be the addition of a light transducer and battery form factor will be different.

A glimpse at our current progress

Attached are three videos which show the assembly of our sensor, the sensor in the ground taking measurements and our connecting to the sensor from inside the house and downloading the data.

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 Shown is a sensor we placed in the soil.  We will connect to this sensor and download 1.5 months of data.  Please note that although we are showing ECCO plastics, the Daisy Sensor is derived from this design.

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This next video might be a bit dry, but it shows our sensor outside advertizing and being detected by the bluetooth low energy laptop running linux.  The next shot in this video shows the laptop connecting to the device (please note that connection is slow due to the sensor sleeping much of the time to maintain battery life)

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How about a glimpse at our app development.  Taun explains...

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Sensor package Design Specification / Goals

APP

Sensor Data Reporting 

  • Gravimetric Soil moisture 
  • Soil moisture updated each 15 min, Graph showing soil moisture vs time
  • Temperature updated each 15 min,   Graph showing Temp vs time
  • Light, updated each 15 min, Graph showing light as a function of time.
  • Battery voltage – Idiot light will turn on when sensor has 1 month to live
  • Wireless signal power - Idiot light will turn on when sensor is too far to make  a measurement.

 User personalization

  • Plant  Common name or Scientific name must be provided
  • User may name plant
  • User may photograph plant
  • User may give plant a personality from a list of personalities
  • Soil height from bottom of pot to top of soil must be provided
  • Type of soil is selected from a list

Sensor

Sensor - Mechanicals:

  • Daisy Dimensions – appx. 4.5” x 1.25” x 0.5”

Sensor - Electrical:

  • Runs off two coin cells - Operation life – 3 years.
  • Communication – Bluetooth, Low Energy standard 4.0

Sensor - Soil Moisture:  

  • Patent pending soil moisture sensor measures true dielectric constant of soil
  • Dielectric constant range : 4-74 +/- 1
  • Sensor Surface  Area 3 ½ “ x 0.8”  measurement surface area located on bottom front and back of sensor

Sensor -Temperature

  • Accuracy +/- 1 degree C 
  • Located at dirt level 

Sensor - Light

  • Dynamic Range 100 – 10000 lux  
  • Located at top of sensor

Sensor - Battery

  • Accuracy 0.05V

Risks and challenges

The Daisy sensor and the Daisy app are currently in development.

The Daisy sensor consists of 4 parts, the soil moisture sensor, the light sensor, the temperature sensor, the processor and transmitter. Today we have working prototypes with everything but the light sensor in our agricultural product, ECCO, which is in field trials now.

For price reasons, we want to place the light sensor inside the plastic mold. This requires us to thin the plastic enough to enable light to come through or developing a clear window inside the plastics. To keep the price of Daisy low, we will opt to try the thin plastic. If that does not work, we will have to develop a new mold with a window therefore impacting time to product/market. It will not impact working product as the most complicated part of the product, the moisture sensor and processor/transmitter sections are completed and are field tested.

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Support this project

  1. Select this reward

    Pledge $1 or more About $1.00

    We'd love to send YOU a plant, but CAN'T.

    However you can sponsor one of our test subjects in our labs as they talk to us. Please note no plants are harmed in our testing because with Daisy even the engineers can keep the plants in our lab alive and well!

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    Pledge $33 or more About $33

    2 Daisy sensors which communicate with an IOS or Android smart phone application. You have your choice of 2 colors including the Kickstarter special edition color. Pledge includes shipping in the USA

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    Pledge $34 or more About $34

    3 Daisy sensors which communicate with an IOS or Android smart phone application. You have your choice of 2 colors including the Kickstarter special edition color. Pledge includes shipping in the USA

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    Reward no longer available 45 backers
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    Pledge $49 or more About $49

    3 Daisy sensors which communicate with an IOS or Android smart phone application. You have your choice of 2 colors including the Kickstarter special edition color. Pledge includes shipping in the USA

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  5. Select this reward

    Pledge $59 or more About $59

    NEW! - STRETCH GOAL ACHIEVEMENT! ECCO PRO Data logger tethered to two ECCO PRO sensors by a 1M long cord.

    Data logger communicates with an IOS or Android smart phone application and will store 30 days of data.

    Pledge includes shipping in the USA

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  6. Select this reward

    Pledge $64 or more About $64

    4 TIMES THE FUN! Receive 4 Daisy sensors which communicate with an IOS or Android smart phone application. You have your choice of 4 colors including the Kickstarter special edition color, Pledge includes shipping in the USA

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  7. Select this reward

    Pledge $89 or more About $89

    6 Sensors because 4 isnt enough! Receive 6 Daisy sensors which communicate with an IOS or Android smart phone application. You have your choice of 4 colors including the Kickstarter special edition color, Pledge includes shipping in the USA

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  8. Select this reward

    Pledge $99 or more About $99

    NEW! - STRETCH GOAL ACHIEVEMENT! ECCO PRO Data logger tethered to 4 ECCO PRO sensors by a 1M long cord.

    Data logger communicates with an IOS or Android smart phone application designed to store 30 days of data.

    Pledge includes shipping in the USA

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  9. Select this reward

    Pledge $115 or more About $115

    INFLUENCER PACKAGE - OUR BEST DEAL! 8 Daisy sensors which communicate with an IOS or Android smart phone application. You will have input on key features such as color and app features. Additionally you will be able to pick the color of your devices out of the final 4 colors INCLUDING THE KICKSTARTER special addition. Thats not all! This package allows you to chose up to 2 plants which will be supporting in our first APP release.

    Digital Spring will thank you by placing your name in the app credits.

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  10. Select this reward

    Pledge $130 or more About $130

    INFLUENCER PACKAGE - EVEN BETTER THAN OUR BEST DEAL! YOU GET 10 Daisy sensors which communicate with an IOS or Android smart phone application. You will have input on key features such as color and app features. Additionally you will be able to pick the color of your devices out of the final 4 colors INCLUDING THE KICKSTARTER special addition. Thats not all! This package allows you to choose up to 4 plants which will be supporting in our first APP release.

    Digital Spring will thank you by placing your name in the app credits.

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    28 backers
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Funding period

- (32 days)