Issue 26, HackSpace Magazine features Jon Rusho’s article on “How I Made a Glass Kiln”.
Build and experiment: The kiln control ranged from OFF to HI, with the settings in between changing the on/off cycle time. The HI setting kept the elements on without cycling. Knowing that, I opted for a simple controller that would just turn mains power off and on to the kiln, rather than ripping apart the existing system.
Here’s what I would need:
- Raspberry Pi (almost any model)
- Thermocouple interface (I used an Adafruit MAX31855 breakout)
- Temperature display (Adafruit 4-digit LED)
- Relay or solid-state switch to turn the kiln on/off
- A power cord to feed the system
- An outlet to plug the kiln power cord into
- A network connection so I could monitor and control it remotely
The project is coded in Python and uses Adafruit code for the four-digit display on the I2C interface, and the thermocouple amplifier on the SPI interface.
See the project in Issue 26 of HackSpace Magazine (PDF pp. 50-54)
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