build software interface using raspberry pi and arduino to control relays based on temp sensors

Build system using raspberry pi and Arduino or other hardware that can handle the following:

View 1-8 onewire temperature sensor information

Control multiple 2 channel 120v 10a relays (sainsmart)

Control multiple SSR-40DA relays

Control speaker alarm noise

Ability to use LCD display and control with buttons (up, down, left/right, ok, back)

Able to log temperature sensor information and all relay states and store multiple logs.

Able to send emails based on settings

Able to have full control via webpage

Currently we have a test system up and running with a raspberry PI, Arduino uno, 3 onewire sensors, couple 2 channel sainsmart relays and couple SSR-40DA relays ready for developmental testing. We’ll provide SSH and web interfaces for developer to have full control of components and we can add additional hardware as needed.

We’re building a device that monitors and assists with brewing beer at home. System will control relays and/or based on temp sensors, time or manual control. The system will use relays to control heaters and chillers to control liquid temperatures.

A similar system to what we’re looking for is called brewpi at [url removed, login to view] or [url removed, login to view] (open source) but we’re looking to have it controlled similar to an aquarium system by Neptune systems called Apex.

We expect to be able to setup a “run” where it will help control and manage the brewing process of the beer (2-4 hours) then also be able to control and manage the fermenting process of the beer (3-26 week) and be able to control and manage multiple beers in the fermenting process at the same time. We then want to be able to log everything based on “run type” and give the users an option to compare this run to others in the past to find differences. This way the controller is able to provide stable reliable results run after run and allow the user to make changes and compare the results.

This project is the first stage of multiple stages, we’re looking for a developer who is also available for future stages and revisions. We’re looking to get this software built so we can build the devices and begin selling the device. Our next stage will add ability to compile instructions and be able to tell the user what its doing, and tell them what to do next, then the user just hits the ok button to read next instruction. This would allow the system to save “runs” and be able to share with friends and others.

Habilidades: Arduino, PHP, Python

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Información del empleador:
( 14 comentarios ) dublin, United States

Nº del proyecto: #8471191

13 freelancers están ofertando el promedio de $383 para este trabajo


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Hi, I am a Mechatronics and Control Engineer, you can check my work on my blog [login to view URL] , I am expert in Arduino and have designed many such projects. I can complete this one quite easily Más

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You want a similar home automation system however re-purposed for brewing and online - Since you want to sell this device and code once it's complete I would also like a 5% commission for every sale you make. I have Más

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