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gardenirrigation

Automated Garden Irrigation Control with Sensors and Actors

build

To compile and upload the code for an arduino mega 2560 and an ethernet shield please use platformio.

pio run -t upload

all the neccessary libraries will be automatically cloned from github.

Hardware

Pinout ATMega

I/O Description PIN Remark Wire Color
SOILFRONT A13 Analog 11 Yellow
SOILBACK A14 Analog 12 Orange
LEAFSENSOR A15 Analog 08 Pink
REL1 22 Output Blue
REL2 24 Output Green
REL3 26 Output Yellow
REL4 28 Output Orange
WATERLEVEL1 31 Pullup 01 Yellow
WATERLEVEL2 33 Pullup 02 Orange
WATERLEVEL3 35 Pullup 03 Red
WATERLEVEL4 37 Pullup 04 Brown
WATERLEVEL5 39 Pullup 05 Black
MOTION 41 Floating 09 Blue
DOOR 43 Pullup 07 Grey
DALLASPIN 45 DS18B20 10 Green
DHTPIN 47 DHT22 06 White
WATERFONTAIN 49 Pullup Yellow Single

DHT22

Left to right 1,2,3,4

Number Purpose Wire colour
1 VCC Red
2 Data Yellow
3 NC White
4 GND Black

SOIL

Numbers are defined by DMX connectors

Number Purpose Wire colour
1 GND
2 5V
3 Data

DS18B20

Numbers are defined by DMX connectors

Number Purpose Wire colour
1 GND
2 5V
3 Data

Schematics

schematics

Print connectors

  1 2 3 4 5 6

                        Y
                        X
                        7
                        8
                        9
                        0
  A B C D E F G H I J K L
Nummer Description
1 Water 100 %
2 Water 75 %
3 Water 50 %
4 Water 25 %
5 Water 15 %
6 GND
7 Temper Switch
8 GND
9 Leaf Sensor
0 Leaf Sensor
A 5V
B GND
C Motion
D 5V
E GND
F DS18B20
G 5V
H GND
I Soil Front
J 5V
K GND
L Soil Back
X GND
Y Fontain Level

MQTT Topics

Out

Topic Payload Comment
garden/waterbox/system "startup" Startup / Reboot
garden/waterbox/temperature float
garden/waterbox/humidity float
garden/irrigation/waterlevel int 0..100
garden/irrigation/leaf int 0..(2^10)-1
garden/irrigation/soilfront int 0..(2^10)-1
garden/irrigation/soilback int 0..(2^10)-1
garden/waterbox/door "OPEN" / "CLOSE"
garden/cellarentrance/motion int seconds since startup
garden/irrigation/tempdeep float 4k7 at the sensor
garden/irrigation/tempsurface float
garden/fontain/waterlevel "OK" / "EMPTY" Install pointing down

In

Topic Payload
garden/fontain/pump "on" / "off"
garden/fontain/light "on" / "off"
garden/irrigation/rainpump "on" / "off"
garden/irrigation/rel4 "on" / "off"

Links

https://gist.github.com/lx-88/413b48ced6b79300ea76

http://wetter.bohlberg.de/wissen.php

https://www.snip2code.com/Snippet/574358/Arduino-function-to-read-a-Vegetronix-VH/