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Solar-powered Hydroponics Project

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Solar-powered Hydroponics Project

Solar-powered Hydroponics Project

My solar-powered hydroponics project is employing an Arduino Uno microcontroller, a DHT11 humidity/temperature sensor, a Seeed Studio Relay Shield, a Seeed Studio SD Card Shield, a PH Shield by Dormant Labs, a solar resistor, an AT24C32 Real Time Clock (RTC) Module, a SunWize OEM20, 20 watt solar panel, a 12V/6A Solar Charge Controller, Morningstar SunSaver 6, and a DDC-1 12V, 10 watt CPU cooling pump.

The Uno is the controller for the whole system.

The DHT11 humidity/temperature sensor is used to monitor and log the ambient temperature and humidity.

The relay shield is used to control the nutrient pump. The pump draws 10 watts, so a relay is necessary. The pump will be run during daylight hours for 15 minutes on, alternating with 15 minutes off. The solar resistor is used to determine whether a daylight condition exists, or not.

The SD Card shield is used to log the data about the whole system. I intend on recording the data every 15 minutes, recording the current time (provided by the RTC module), the pump state (turn pump on or off), the ph and temperature (from the Dormant Labs shield) of the nutrient reservoir, the ambient temperature and humidity (from the DHT11 sensor).

The solar panel and charge controller feed a 12 volt marine-grade battery to power the project.

I would like to also monitor the battery voltage and the PPM of the nutrient reservoir, but I do not have the components necessary for that.


Arduino News

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Please be sure to bookmark and revisit this webpage. The newsfeed items below are designed to update automatically and should always be displaying the latest news on this subject.


08/18/2018 12:17 PM
200+ Arduino Projects - instructables.com
Whether you are just beginning or have extensive experience with Arduino, there is something here for everyone. In the Electronics Lab, you can prototype and design before you build a circuit in real life.The lab also allows you to program and simulate any Arduino code in the editor.
11/10/2018 08:43 PM
FAQ – Electrical Conductivity (EC) in Hydroponics
Amongst one of the few properties that hydroponic growers use to control their nutrient solutions is electrical conductivity (EC). The main problem with the measurement of the EC, is that few growers really understand it's meaning and more often than not, grossly overestimate the amount of information it can give them.
11/07/2018 11:17 PM
Arduino EC Sensor: Amazon.com: Industrial & Scientific
Plug and play conductivity sensor for Arduino is a convenient way to measure water salinity . Analog unit receives power from Arduino's 5v power supply and provides 0-5v output to any of it's analog inputs.
11/10/2018 10:38 PM
Humic acids in hydroponics: What is their effect?
Humic acid is not a single substance but a wide range of substances that are created as a product of plant and microorganism decomposition. This is why you often hear people talk about "humic acids" instead of simply "humic acid".
11/11/2018 04:39 PM
Fritzing Projects
Audi A3 8PA automatic day light sensor (DLR) by jengstro. Configurador mòdul Bluetooth
07/03/2015 07:57 PM
e-Health Sensor Platform V2.0 for Arduino and Raspberry Pi ...
IMPORTANT: The e-Health Sensor Platform has been designed by Cooking Hacks (the open hardware division of Libelium) in order to help researchers, developers and artists to measure biometric sensor data for experimentation, fun and test purposes. Cooking Hacks provides a cheap and open alternative compared with the proprietary and price prohibitive medical market solutions.
11/09/2018 07:54 PM
Scienceinhydroponics.com: Science In Hydroponics
Scienceinhydroponics.com is tracked by us since October, 2014. Over the time it has been ranked as high as 597 599 in the world, while most of its traffic comes from USA, where it reached as high as 218 172 position.
10/03/2018 09:38 PM
4G + GPS Shield for Arduino and Raspberry Pi Tutorial (LTE ...
The new 4G shield for Arduino and Raspberry Pi enables the connectivity to high speed LTE, HSPA+, WCDMA cellular networks in order to make possible the creation of the next level of worldwide interactivity projects inside the new "Internet of Things" era.
11/11/2018 02:27 AM
A DIY Arduino data logger for $10 from 3 components (2014 ...
Addendum 2017-02-20: I posted about the $10 DIY Arduino data logger in July 2014, and there have been several updates to the way I assemble the basic three component logger since the early version described here. If you Googled directly to this post, then you might want to start by reading: ☀ How to Build an Arduino Data Logger ☀ which links through…
10/29/2018 07:13 PM
Amazon.com: Customer reviews: ELEGOO 8 Channel DC 5V Relay ...
Find helpful customer reviews and review ratings for ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi at Amazon.com. Read honest and unbiased product reviews from our users.


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A set of webpages that I have prepared relative to using the Arduino family of microcontrollers as a means of furthering my knowledge of C+ computer programming.

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