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Homeroasters - Home Roasting Coffee Community » ALL ABOUT ROASTERS » Drum Roaster (Store Bought and Commercial)

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Artisan to Arduino set up help
jpworks	#1 Posted on 04/19/2019 8:43 AM
Newbie Posts: 10 Joined: March 25, 2019	So I am new to the Arduino and Artisan software. My plan was run Arduino with two thermocouples and two displays. I have the thermocouples working with displays. Now how do I get the Artisan software to work also? I am only concerned about et/bt temps. I assumed probably wrong that I wouldn?t need tc4. Please educate me.


renatoa	#2 Posted on 04/19/2019 10:28 AM
Administrator Posts: 2669 Joined: September 30, 2016	What two displays, how are they different and how are connected ? Do you mean two displays with same content, or different content ? Artisan software needs to be fed with roasting data, i.e. at least two temperatures, cming from a known device, or a custom device that talks one of the known public protocols, as is TC4, and others. The simplest/cheapest solution to be in Artisan game with no Arduino, no soldering, no programming, is to buy a Mastech MS6514 dual USB thermometer logger, under $60 from aliexpress, including 2 TC probes. You don't need TC4 shield hardware to run TC4 software. Depending on your Arduino IDE programming skills, you can adapt parts of TC4 software to run on other configurations, maybe simpler for you than writing your sketch from scratch.


jpworks	#3 Posted on 04/20/2019 8:35 AM
Newbie Posts: 10 Joined: March 25, 2019	My goal was to have the displays for the few times I might roast without pc connected. They are working fine. What?s the simple way the roasting software connected. Arduino UNO Displays TM1637 Thermocouple cards MAX6675


renatoa	#4 Posted on 04/20/2019 11:29 AM
Administrator Posts: 2669 Joined: September 30, 2016	Simple, but too approximative. MAX6675 or 31855, or any solution with more than 0.1 C degrees resolution is just too rough to compute a satisfactory RoR. What about control ?


jpworks	#5 Posted on 04/21/2019 9:22 PM
Newbie Posts: 10 Joined: March 25, 2019	It is for a 1kg drum. It uses propane for heat. I have it set with needle valve and kpa gauge on gas to control heat input. Controlled manually.


renatoa	#6 Posted on 04/22/2019 12:19 AM
Administrator Posts: 2669 Joined: September 30, 2016	You are ok then with low precision of temp measurement, the machine thermal inertia is too big to need a decimal point degree control. A 10-15 seconds smooth window in Artisan and the averaging will do its magic.


jpworks	#7 Posted on 04/22/2019 7:28 PM
Newbie Posts: 10 Joined: March 25, 2019	Any help getting Artisan to work with my set up would be greatly appreciated.


jay-g	#8 Posted on 04/22/2019 9:57 PM
Newbie Posts: 1 Joined: July 01, 2018	Not sure what part of your arrangement isn't working, but if it's getting Artisan to communicate with the Arduino you might look at https://www.home-...ml#p650804

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