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Archive for the ‘kiln’ Category

Feb
22

Meltinator 9000 Fuses Glass by Degrees

arduino hacks, arduino uno, glass fusing, kiln, Relay Commenti disabilitati su Meltinator 9000 Fuses Glass by Degrees 

kiln[Richard]‘s wife scored an Evenheat glass-fusing kiln, but the 20-year-old temperature controller was broken. He could have simply ordered a replacement controller, but that kind of problem solving doesn’t get you on Hack a Day. His wife wanted more control over the kiln and he convinced her that building their own was the way to go. Thus, the Meltinator 9000 was born.

[Richard]‘s design uses an Arduino Uno and an Adafruit display shield, protoshield, and thermocouple reader board. He built a simple relay driver with a resistor, BJT, and a diode and connected it to pin 13 and its built-in indicator. To [Richard]‘s delight, all of this fit in the original enclosure.

[Richard]‘s software provides 25 fusing schedules with ten steps apiece. Each step has a target temperature,  rate of temperature change, and a hold time which can be increased on the fly. He ran a test program that heated the kiln to 1500°F at a rate of 2550°F/hour. He then cooled it to 500°F at a rate of 1000°F/hour, which took longer than he thought. The good news is that the kiln is well-insulated!  [Richard] has the software available on his GitHub.

Don’t have a glass kiln? Prefer to control beer-related temperatures? You could always hack your stove in the name of homebrewing.


Filed under: Arduino Hacks


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