What is needed to ventilate the greenhouse?

Question

Arduino

Hello. By the summer season, I want to make automatic ventilation of the greenhouse, provided that a certain temperature threshold is exceeded. What is needed for this (sensors, motors)?
The window leaf in the greenhouse stands on the door, that is, like on old wooden window frames, but it is made of profile and polycarbonate, and therefore it is very light. Will a regular stepper motor and some kind of guide be enough?
Will the arduino starter kit work?

Answer 1

Starter whales are different.
According to good standards, a temperature sensor (against just a thermistor in most kits)
Regarding the engine - it all depends on the implementation, if desired, you can open and close with a very weak engine and not necessarily a stepper one.
For me, the main thing is to protect the devices from humidity, which is very high in the greenhouse.

Answer 2

I would start with the implementation of the mechanics. I made sure that it works reliably from a conventional switch. And then he added automatic control to this.

Answer 3

Find Kurdyumov's book "Smart Greenhouse" - it describes how to do this without the use of electrics at all: when the temperature rises, the liquid expands and opens the window with a hydraulic drive. And closes, respectively, when cooled. The simplest system that does not require maintenance and external power.

Answer 4

Ordinary engine (from a printer for example) + arduino + two buttons (reed switch) limit switches + motor driver + temperature sensor.
well, and the type code:
if the closed window limit switch button is pressed {
check the temperature does not add "values"
if the temperature is higher { turn on the engine for opening until
the "open window" button is pressed
if the temperature drops below the "value"
button "closed shackle"
+ look for how long it opens - the window closes, and add that in the event of a spell, the engine does not work in a stalled form.

Answer 5

the mechanism for automatically opening the vents is sold here - https://metallnsk.ru/teplicy-v-novosibirske.html
2000 rubles price, opens / closes depending on the temperature.