Arduino Project : Modify Espresso Machine
Do you want to modify your Espresso machine for low cost and more control? well, you can try what Nash Lincoln did. Modding the Gaggia Espresso with Adding a PID temperature controller and computer interface.
The goal of this project is to create a computer interface for my Gaggia Espresso machine replacing the factory thermal switches with a PID controller and the “steam” and “pump” toggle switches with a LCD/button menu system. This project use Arduino Decimillia micro-controller which utilizes the AVR AtMega168
After seeing the various instructions and kits geared toward modding a home espresso machine with a PID, and their costs and features compared to something like the PID PIC MOD, I decided I would start from scratch and build my own PID. Then I could easily extend it to control the rest of the espresso machine, such as adding a timer to monitor or control the shot time and adding temperature presets. [link]
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