Modernizing X1 espresso machine
Tobis had a great X1 espresso machine, but its electrical part wasn’t accurate enough with lack desired functionality. Without hesitation he decided to redo controller part by his own. He grabbed Atmega16 and graphical OLED display that fit nicely instead original indicator. He measured temperature with thermocouple using MA6674 converter IC. Having graphical LCD here gave Tobis more ways to indicate whats going on inside machine. He added a graph trace of temperature, times and date display. Also microcontroller allows programming various espresso preparation timings and regimes. (translated)...
Source: Embedds.com - Wednesday, 25 January
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