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Rasberry PI


GreenBeard
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Hi Guys,

does anyone knownof someone that can set up a Rasberry PI to monitor, switch diffetent items on and off report on min and max temps ect. I want to start a project to build a unit to control the detials in side both my tents...

using nirmal household heated fan, small extraction fan and must maker.

anyone with ideas, input will be awesome...

 

Sent from my ALE-L21 using Tapatalk

 

 

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  • 2 months later...

Hey dude,

 

I have a few up and running doing this already. Which monitors do you want to use?

 

I'd recommend using the DHT22s for humidity, just replace them yearly. And then a DS18b20 for temp (much more accurate than the temp sensor in the DHT22), which is waterproof so you can even stick it in a DWC bucket.

 

I'd run HAssbian and add a relay to control all the other systems.

 

EDIT: Just realized that I necro'd this...

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@CerealKilla and @Totemic

 

You'd need to learn how to use linux as a start.

Then learn how to use terminal in linux

 

You can start out by buying

1x "raspberry pi zero w"

1x headerpin set

1x case for RPiZw

1x 32GB microSD card to store the operating system

1x power supply RPi

2x DS18B20s (waterproof temperature probes)

2-4x DHT22 (humidity and temp sensors)

1x 4ch or 8channel relay depending on how many items you want to turn on or off

 

 

You could use the temp probes to get accurate temp readings in the tent or in the DWC (if you have).

You can use the DHT22s to measure relative humidity inside your cab/tent at different locations and externally.

 

Then you would need an operating system to run the wireless webserver, Home Assistant is the easiest to setup and it has a built in webserver and can control the relays via GPIO.

 

All in all I can help you guys are in CPT

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Out of curiosity, what would this setup cost?

 

About R 1000 all included

 

The sensors are fairly cheap, the pi is about R280.

 

Only issue is you need to either get a hammer installed header pin set or fire up a soldering iron for the pi zero

 

You could rather get a RPi3 but they cost R700.

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  • 5 weeks later...

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