Egg Incubator - Arduino Project Hub

 

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Egg Incubator © GPL3+ (http://opensource.org/licenses/GPL-3.0) Arduino Project Hub

Adruino-controlled incubator for chicken eggs or other stuff. (https://create.arduino.cc/projecthub)

 

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9,429   VIEWS   5  COMMENTS   16   RESPECTS

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INTEL®-BASED PLATFORMS RUNNING LINUX ARE SUPPORTED!

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0 A ) DHT22 Temperature Sensor (/projecthub/products/buy/4 22? s=BAhJIhY4NjQ2NCxCYXNlQXJ 0aWNsZQY6BkVG%0A) (/projecthub/pro ducts/buy/422? s=BAhJIhY4NjQ2 NCxCYXNlQXJ0a WNsZQY6BkVG% 0A)

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Linear Regulator (7805) (/projecthub/products/buy/4 2790? s=BAhJIhY4NjQ2NCxCYXNlQXJ 0aWNsZQY6BkVG%0A) (/projecthub/pro ducts/buy/4279 0? s=BAhJIhY4NjQ2 NCxCYXNlQXJ0a WNsZQY6BkVG% 0A)

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Infineon IRFZ44N MOSFET (/projecthub/products/buy/2 9617? s=BAhJIhY4NjQ2NCxCYXNlQXJ 0aWNsZQY6BkVG%0A)

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12cm 12V PC fan (/projecthub/products/buy/2 9618? s=BAhJIhY4NjQ2NCxCYXNlQXJ 0aWNsZQY6BkVG%0A)

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4 N  j Q 2 N C x C Y X N l Q X  J 0 a W N s Z Q Y 6 B k V G % 0 A ) Kathal wire (for styrofoam   cutting)

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× Servos (Tower Pro MG996R) (/projecthub/products/buy/3 4406? s=BAhJIhY4NjQ2NCxCYXNlQXJ 0aWNsZQY6BkVG%0A)

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h Y 4 N  j Q 2 N C x C Y X N l Q X  J 0 a W N s Z Q Y 6 B k V G % 0 A ) styrofoam box

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12V power supply

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ABOUT THIS PROJECT This project is primarily hosted at https://github.com/quantenschaum/eggincubator/ (https://github.com/quantenschaum/egg-incubator/) This is an Arduino-controlled incubator for chicken's eggs. Its purpose is to keep temperature and humidity at defined values, so that the eggs are incubated and the chicks finally hatch after some days. It might as well be used to incubate other things than chicken's egg like other kinds of  eggs (ducks, turtles, alligators, ...), or cultures of bacteria or fungus i.e. to make yogurt or to leaven yeast/sour dough or to make Tempeh. (https://en.wikipedia.org/wiki/Tempeh)

How it works The Arduino constantly measures temperature and humidity. The raw measurements are smoothed using Holt-Winters double exponential smoothing. (https://en.wikipedia.org/wiki/Exponential_smoothing#Double_exponential_smoothin g) The smoothed values are then fed into a PID control loop. (https://en.wikipedia.org/wiki/PID_controller)

Temperature control The temperature is maintained by turning the heating element on and off in a 2 seconds cycle. The duty cycle of the heater is determined by the temperature PID loop. Using a low frequency pulse width modulation turns a bang-bang controlled (https://en.wikipedia.org/wiki/Bang%E2%80%93bang_control) heating element into a fully modulated element. As heating element I highly recommend Kanthal (https://en.wikipedia.org/wiki/Kanthal_(alloy))wire (used for styrofoam cutting). 10-15 watts are enough! This is much better than a light bulb. It can be operated with low

 

voltage (saver than 220V bulb), does not emit light and does not burn out. Use a MOSFET to turn it on and off (no heatsink needed due to PWM and no clicking and wearing of a relay).

Humidity control The humidity is maintained by opening and closing an air vent on the incubator using a servo. The servo angle is determined by the humidity PID loop. Inside the incubator is a water filled jar. The water warms up and evaporates, the humidity rises, the vent is opened and the humid air can escape letting dryer air in. The air vent is also needed also to allow fresh air and oxygen to get into the incubator. You have to experiment with the size (water surface) of the jar to reach the humidity set point and have the air vent (half) open.

Fan monitoring The fan does not need to be controlled, it is constantly running and distributes heat and humidity equally in the incubator. I used a 12cm 12V PC fan operated at 5V, so it runs slowly. The Arduino monitors the fan using it's rpm signal and sets of an alarm if it fails. The fan also cools the heating wire, the heating is turned off, if the fan fails.

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CODE Github repo code, schematic, pictures, ... 12 (https://github.com/quantenschaum/egg-incubator/watchers)

quantenschaum (https://github.com/quantenschaum) / egg-incubator

10 (https://github.com/quantenschaum/egg-incubator/forks)

(https://github.com/quantenschaum/egg-incubator) adruino controlled incubator for chicken eggs — Read More (https://github.com/quantenschaum/eggincubator#readme) https://create.arduino.cc/projecthub/quantenschaum/egg-incubator-ef0cf6 (https://create.arduino.cc/projecthub/quantenschaum/egg-incubator-ef0cf6) Latest commit to the m

st r

 branch onDownload 4-7-2018 as zip (https://github.com/quantenschaum/egg-incubator/zipball/master)

 

SCHEMATICS

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s c h e m a t i c

DOWNLOAD (HTTPS://HALCKEMY.S3.AMAZONAWS.COM/UPLOADS/ATTAC (HTTPS://HALCKEMY.S3.AMAZONAWS.COM/UPLOADS/ATTACHMENTS/460457/INCUBATOR_SC HMENTS/460457/INCUBATOR_SC

COMMENTS

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Please log in (/projecthub/users/sign_in? id=86464&m=base_article&reason=comment&redirect_to=%2Fprojecthub%2Fquanten schaum%2Fegg-incubator-ef0cf6%23comments) or sign up (/projecthub/users/sign_up? id=86464&m=base_article&reason=comment&redirect_to=%2Fprojecthub%2Fquanten schaum%2Fegg-incubator-ef0cf6%23comments&source=popup) to comment.

luiz_vieira (/projecthub/luiz_vieira) 9 months ago

(/pr Hey, I makin an Incubator, but I have some doubts, how I can switch the Mosfet and put oject a relay? hub/ luiz _viei ra)

Otabor (/projecthub/Otabor) 8 months ago

(/pr Good project if you add a turning mechanism to help turn the eggs 45 ° at intervals to oject avoid the embryo from sticking to one side of the shell. Good luck hub/ Otab or)

fetah71 (/projecthub/fetah71) 8 months ago

(/pr Good evening so the code I can not compile? oject C:\Users\fetah\OneDrive\Bureau\04.03.2018\Example des motor hub/ couveuse\quantenschaum-egg-incubator-c4872fd\quantenschaum-egg-incubatorfeta c4872fd\incubator\incubator.ino:2:27: fatal error: SoftwareServo.h: No such file or h71) directory #include  

compilation terminated.

^

 

exit status 1 Erreur de compilation pour la carte Arduino/Genuino Uno

nazriueo (/projecthub/nazriueo) 5 months ago

(/pr Ioject experienced it too hub/ nazri ueo)

 johnre  joh nrey21 y21 (/proj (/p roject ecthub hub/jo /johnr hnrey2 ey21) 1) 15 days ago

(/pr Ioject encountered that too what should I do with that hub/  john rey2 1)   UTHOR (/projecthub/quantenschaum)

quantenschaum (/projecthub/quantenschaum) 1  PROJECT   2  FOLLOWERS

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April 3, 2018

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