<Work In Progress>

TL;DR:

This post details the materials, sensors, and motivation behind the atmospheric measurement board used in the FIELD (Frequency & Intensity Experiments on Leaf Development) project. In total, the board utilizes three sensors, listed below. As an Amazon Associate, I generate income from qualifying purchases, helping keep the website and research up and running.

Parts List:

TOOLS:

• FNIRSI Soldering station: Soldering station with numerous features & helping hands [Link]
• Solder smoke absorber: Efficiently removes solder smoke from the workplace [Link]
• Heat-shrink solder kit: Kit to add heat-shrinking sleeves around metal connections [Link]
• Solder wick: Solder wick to clean up soldering screw-ups! [Link]
• AWG wire: Solid wire kit to make circuitboard connections [Link]
• Solder: Solder to connect modules to the circuit board [Link]
• Lighted magnifying glass: Solder wick to clean up soldering screw-ups! [Link]
• Silicone soldering mat: Silicone mat for keeping soldering work off the table [Link]
• Solderable prototype boards: Prototype PCB breadboard for hosting modules [Link]

MODULES:

• Raspberry Pi: Handles logic, signals, and interfaces between modules, data, and commands [Link]
• Arduino UNO R4 Minima: Arduino to handle input/output from sensor modules [Link]
• BME280: Atmospheric pressure, temperature, and humidity module [Link]
• SCD41: Module for carbon dioxide, temperature, and humidity [Link]
• BH1750: Light intensity illumination measurement module [Link]

In addition, a public survey was conducted of more than 1,000 respondants asking which methods they believe are key to choosing a sweet watermelon.

Introduction

During photosynthesis, trees absorb carbon dioxide ($CO_2$) from the air via tiny pores on their leaves (stomata); water is drawn up through the soil in the roots, and sunlight provides energy. During the chemical conversion, $CO_2$ is converted into glucose ($C_6H_{12}O_6$) and oxygen ($O_2$). But plants can also produce an array of other gases like Ethylene ($C_2H_4$), biogenic volatile organic compounds (BVOCs) like isoprene and monoterpenes, and other VOCs like methanol ($CH_3OH$) and acetone ($C_3H_6O$) to attract pollinators or avoid being chewed on by insects. Nitric Oxide ($NO$) may also be produced during metabolic and stress-signaling patheways.

Layout

Introduction

The collected data metrics can be cleanly separated from the data collection process, since the former is a list, while the latter is a workflow. They are presented in this order below.

Diagram

Conclusion

The