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Cory Potter
Published © Apache-2.0

The hydroMazing Smart Garden System

The hydroMazing system manages your growing environment by making localized data-driven decisions so that you don't have to worry.

AdvancedFull instructions providedOver 2 days59,816
Grand Prize: Trip to the Final Competition
2018 China-US Young Maker Competition
US Semi-Finalists
Co-Making the Future
The hydroMazing Smart Garden System

Things used in this project

Hardware components

Raspberry Pi 3 Model B
Raspberry Pi 3 Model B
OPTIONAL - Internet of Things - text messaging
×1
Arduino Nano R3
Arduino Nano R3
×2
Arduino Nano Expansion Shield
×2
DHT21/22 Temperature / Humidity sensor
may need a 10k resistor between Vcc/Data
×1
Photocell Module
×1
nRF24L01 2.4Ghz Wireless Radio Transceiver module
with or without SMA Antenna
×1
Dallas Temperature Sensor (for nutrient solution temperature)
probably needs a connector
×1
433MHz RF Transmitter & Receiver Modules
×1
set 3-5 pack of Wireless Controlled Outlets includes remote
×1
DFRobot LCD with buttons Shield for Arduino Uno
×1

Software apps and online services

Arduino IDE
Arduino IDE
Visual Studio 2015
Microsoft Visual Studio 2015

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)

Story

Read more

Schematics

Typical Growroom Environment

Intake and exhaust fans, grow lights, heaters, dehumidifiers, and pumps automatically controlled via wireless AC outlets

common wirelessly controlled AC outlets

common wirelessly controlled AC outlets used in this project.

hydroMazing Garden Controller and Monitoring System

Assembled and testing

hydroMazing prototype Web Interface

hydroMazing prototype Web Interface

hydroMazing Alert Notification

hydroMazing prototype web Interface for alert notifications.

Code

Settings of objects

C/C++
The CoreSettings.h file contains many critical settings including the nRF network, the AC outlet remote switch codes, the Timer, Appliance, and Sensor object definitions used by the hydroMazing system.
/*
* @file CoreSettings.h
* Copyright (C) 2015 Cory J. Potter - All Rights Reserved
* You may use, distribute and modify this code under the
* terms of the LICENSE.txt
* NOT INTENDED FOR COMMERCIAL USE!
* You should have received a copy of the LICENSE.txt with
* this file. If not, please write to: <bitsandbots@gmail.com>
*/

#ifndef __CORESETTINGS_H__
#define __CORESETTINGS_H__

#ifdef ARDUINO

// RX_PIN 3 in use by Dallas Temperature Probe
#define RX_PIN 103
#define TONE_PIN 104
#define TX_PIN 8

// What is our address 1 or 2
uint8_t node_address = 1;
uint8_t totalNodes = 3;
unsigned long lastRxTimeStamp = 0;

const uint64_t nRFbaseAddress = 1034834473100;
uint8_t nRFaddress = 0; // 00 - 255

// NOTE: the "LL" at the end of the constant is "LongLong" type
// 1034834473185, 1034834473170
// const uint64_t tx_pipes[5] = { 0xF0F0F0F0E1LL, 0xF0F0F0F0D2LL, 0xF0F0F0F141LL, 0xF0F0F0F1B0LL, 0xF0F0F0F1BBLL };
// const uint64_t rx_pipes[5] =  { 0xF0F0F0F22ALL, 0xF0F0F0F299LL, 0xF0F0F0F308LL, 0xF0F0F0F377LL, 0xF0F0F0F3E6LL };

// uint64_t tx_pipes[3] = { 0xF0F0F0F0E8LL, 0xF0F0F0F0E7LL, 0xF0F0F0F0E6LL };
// uint64_t rx_pipes[3] =  {0xF0F0F0F0E1LL, 0xF0F0F0F0E2LL, 0xF0F0F0F0E3LL };

uint64_t tx_pipes[3] =  { 0xF0F0F0F0F8LL, 0xF0F0F0F0F7LL, 0xF0F0F0F0F6LL };
uint64_t rx_pipes[3] =  { 0xF0F0F0F0F1LL, 0xF0F0F0F0F2LL, 0xF0F0F0F0F3LL };

/************************************************************************/
// Wirelessly Controlled Outlet Switches
/************************************************************************/
// ETEKCITY #1401
// unsigned long mySwitchOn[] = { 24, 1398067,1398211,1398531 };
// unsigned long mySwitchOff[] = { 24, 1398076,1398220,1398540 };
// ETEKCITY #1405
// unsigned long mySwitchOn[] = { 24,1135923,1136067,1136387 };
// unsigned long mySwitchOff[] = { 24,1135932,1136076,1136396 };
// ETEKCITY #1406
// unsigned long mySwitchOn[] = { 24,4281651,4281795,4282115 };
// unsigned long mySwitchOff[] = { 24,4281660,4281804,4282124 };
// ETEKCITY #1407
// unsigned long mySwitchOn[] = { 24,87347,87491,87811 };
// unsigned long mySwitchOff[] = { 24,87356,87500,87820 };
// ETEKCITY #1411
// unsigned long mySwitchOn[] = { 24,283955,284099,284419 };
// unsigned long mySwitchOff[] = { 24,283964,284108,284428 };
// ETEKCITY #1415
// unsigned long mySwitchOn[] = { 24,21811,21955,22275,23811,29955 };
// unsigned long mySwitchOff[] = { 24,21820,21964,22284,23820,29964 };
// ETEKCITY #1419
// unsigned long mySwitchOn[] = {24,333107,333251,333571,335107,341251};
// unsigned long mySwitchOff[] = {24,333116,333260,333580,335116,341260};
// ETEKCITY #0319
uint8_t totalSwitches = 5;
unsigned long mySwitchOn[] = {24,333107,333251,333571,335107,341251};
unsigned long mySwitchOff[] = {24,333116,333260,333580,335116,341260};

/************************************************************************/
/*	I2C Communications                                                  */
/************************************************************************/
const int MY_ADDRESS = 42;
const int SEND_TO_ADDRESS = 22;
/************************************************************************/
/*  Timers			                                            		*/
/************************************************************************/
//Timer Object = { (type), (interval in millis), ready, triggered, timestamp, (pointer to next object)
Timer Timer_txData 			= { TIMER_TX_DATA, 30000UL, true, false, 0, NULL };
// Timer Timer_Lcd 			= { TIMER_LCD, 12000UL, true, false, 0, &Timer_Log };
// Timer Timer_Lcd_Cycle 		= {	TIMER_LCD_CYCLE, 6000UL, true, false, 0, &Timer_Lcd };
// Timer Timer_Lcd_Scroller 	= { TIMER_LCD_SCROLLER, 500UL, true, false, 0, &Timer_Lcd_Cycle };
//Timer Timer_Ping			= { TIMER_SENSOR_READINGS, 10UL, true, false, 0, &Timer_Log };
//Timer Timer_Lite			= { TIMER_LITE, 180000UL, true, false, 0, &Timer_Ping };
Timer Timer_Save_Settings 	= {	TIMER_SAVE_SETTINGS, 3600000UL, true, false,  0, &Timer_txData };
//Timer Timer_Sensor_Read		= { TIMER_SENSOR_READINGS, 7000UL, true, false,  0, &Timer_Save_Settings };
//Timer Timer_Alerts			= { TIMER_ALERTS, 45000UL, true, false,  0, &Timer_Sensor_Read };
Timer Timer_rxData			= { TIMER_RX_DATA, 6000UL, true, false, 0, &Timer_Save_Settings };

/************************************************************************/
//  Initialize Appliances
/************************************************************************/
Appliance Appliance_Light_1		= {101, 1, APPLIANCE_LIGHT, DEFAULT_TIME, true, false, OFF, NULL };
// Appliance Appliance_Light_2		= {102, 0, APPLIANCE_LIGHT, DEFAULT_TIME, true, false, OFF, &Appliance_Light_1 };
// Appliance Appliance_Light_3		= {103, 0, APPLIANCE_LIGHT, DEFAULT_TIME, true, false, OFF, &Appliance_Light_2 };
Appliance Appliance_IntakeFan   = {104, 1, APPLIANCE_INTAKE_FAN, DEFAULT_TIME, true, false, OFF, &Appliance_Light_1 };
Appliance Appliance_ExhaustFan  = {103, 1, APPLIANCE_EXHAUST_FAN, DEFAULT_TIME, true, false, OFF, &Appliance_IntakeFan };
Appliance Appliance_Humidifier  = {102, 0, APPLIANCE_HUMIDIFIER, DEFAULT_TIME, true, false, OFF, &Appliance_ExhaustFan };
Appliance Appliance_Heater		= {101, 0, APPLIANCE_HEATER, DEFAULT_TIME, true, false, OFF, &Appliance_Humidifier };
//Appliance Appliance_AirPump		= {PIN4, 2, APPLIANCE_PUMP, DEFAULT_TIME, true, false, OFF,  &Appliance_Heater };
Appliance Appliance_FeedPump	= {105, 1, APPLIANCE_PUMP, DEFAULT_TIME, true, false, OFF,  &Appliance_Heater };
uint8_t totalAppliances = 6;

/************************************************************************/
// Initialize Sensors
/************************************************************************/
//Sensor: = { pin; node_address; SENSOR_TYPE; freq; minVal; maxVal; UL timestamp; float value; struct Sensor *next; }
// NULL for the first - We cannot point to an object hasn't been created yet.
Sensor Sensor_Photocell		= { PIN_A0, 1, SENSOR_PHOTO, 100, 50, 100, 0, 25, NULL };
Sensor Sensor_Temp			= { PIN7, 1, SENSOR_TEMPF, 50, 70, 80, 0, 75, &Sensor_Photocell };
Sensor Sensor_Humidity		= {PIN7, 1, SENSOR_HUMIDITY, 50, 40, 70, 0, 50, &Sensor_Temp };
Sensor Sensor_WaterTemp		= {PIN3_INT1, 1, SENSOR_WATER_TEMPF, 100, 50, 70, 0, 65, &Sensor_Humidity };
Sensor Sensor_Flow			= {PIN2_INT0, 2, SENSOR_FLOW, 100, 50, 50, 0, 75, &Sensor_WaterTemp };
//Sensor Sensor_Microphone	= {PIN_A1, 0, SENSOR_SOUND, 60, 10, 100, 0, 75, &Sensor_Flow };
//Sensor Sensor_Ultrasonic	= {PIN_A2, 0, SENSOR_ULTRASONIC, 60, 10, 100, 0, 75, &Sensor_Microphone };
//Sensor Sensor_PIR			= {PIN_A2, 0, SENSOR_PHOTO, 60, 10, 100, 0, 75, &Sensor_Microphone };
//Sensor Sensor_Moisture	= {PIN_A2, 0, SENSOR_MOISTURE, 60, 10, 100, 0, 75, &Sensor_Flow };
Sensor Sensor_Float			= {PIN_A2, 1, SENSOR_FLOAT, 100, 0, 1, 0, 1, &Sensor_Flow };
Sensor Sensor_Voltage		= {PIN1_TX, 1, SENSOR_VOLTAGE, 100, 0, 100, 0, 50, &Sensor_Float };
uint8_t totalSensors = 7;

/************************************************************************/

Credits

Cory Potter

Cory Potter

9 projects • 88 followers
Technical Craftsman specializing in bridging the gap between electronics and software engineering, with unconventional approach to problems.

Comments

Awards
Grand Prize: Trip to the Final Competition
2018 China-US Young Maker Competition
US Semi-Finalists
Co-Making the Future
Related channels and tags
  • Arduino
  • DFRobot
  • Garden
  • Garden
  • Home Automation
  • Home Automation
  • Internet of Things
  • Internet of Things
  • Microsoft
  • Raspberry Pi