The means to grow our own food
    would be

the self-sustainable bio-farm

Designed using


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Source Code!

The future is now

AstroGro is


Utilizes existing 3D-printing infrastructure


Luminosity, temperature, humidity, moisture sensors and more for a controlled environment


Manages and optimizes food resources for an astronaut’s daily diet


Tool to discover optimal growing conditions and further explore the ideal “superfood” plants

Plant Growth Monitor
In order to optimize plant growth, variables such as temperature, lighting, and hydration must be tuned while successfully and reliably measuring plant growth. However, current image processing algorithms require computational overhead, camera elements, and suffer from limited perspective and depth-of-field problems.
RF Measurement
We propose a radiofrequency (RF) absorption measurement comprised of a small pair of transmit-and-receive antenna operating at 2.45 GHz, the absorption frequency of water molecules. The directional transmit (TX) antenna is directed through the plant's foliage to the receive (RX) antenna. The water content of the plant's foliage is proportional to the growth and water retention of the plant. A higher absorption implies a larger and healthier plant.
Temperature Control
A feedback system of heating and cooling elements are combined with temperature sensors to maintain suitable plant temperature. The heating element is comprised of a microwave antenna operating at 2.45 GHz (the same one used as a plant growth monitor) and is used to directly heat the plant's water molecules through dielectric heating. This ensures energy is not wasted on convection heating. The antenna is temporally pulsed to optimize power amplifier efficiency rather than operating in backoff.
A soil hydration system ensures optimal hydration cycles for the plant. Impedance sensors are placed in the soil to determine hydration levels. A pump is actuated to sustain suitable wet and dry cycles. Additional pH sensors and hydrolysis units can be added to maintain a suitable pH level.
Light Cycling
Two modes of operation exist for the light cycling. In the autonomous control mode, the system provides correct intensity and spectral composition of lighting. The timing of light and dark cycles are optimized to improve yield. LED lighting at various bandwidths and center frequencies are applied at various levels.
Light Cycling
In the energy-scavenging mode, ambient and environmental lighting is supplemented with artificial lighting to increase energy efficiency. An array of light sensors with various spectral filters is used to determine spectral composition of ambient lighting. The missing compositions are adjusted with varying levels of LED lighting.

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