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# Espresso for Geeks - An mbed based project to enhance your semi-automatic espresso machine
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Here you will find all the code, schematics, PCB designs and diagrams of the Espresso for Geeks project.
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More information about the project can be found on http://espresso-for-geeks.kalaf.net
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The code was integrated using https://os.mbed.com/docs/latest/tools/exporting.html
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If you are having trouble compiling try that website for pointers.
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These are the mods that will be supported in the 0.1 release:
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* high precision temp sensor on boiler
* SSR on heaters
* micro-controller
* display + buttons
* fast SSR on pump
* zero-cross detect circuit
* electronic pressure meter
* OPV adjustment
* SSR on brewhead circuit/valve
* flowmeter

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These are the features that will be implemented in the 0.1 release:
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* PID water temperature control
* Pressure profiling
* Automatic shot volume control
* Automatic shot clock control
* Brew pre-infusion
* Steam control via display/buttons
* Auto-pressure set & grind size assistant
* Brew soft-stop (valve based machines)
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The are the features that will be implemented in the 0.2 release:

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* Automatic backflush
* Automatic descale
* Enhanced steam (slow water inject)

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Future features:
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* Water level monitoring (requires more hw mods)
* Enhanced boiler performance (no electronics) (requires more hw mods)
* PID auto-tune
* Tom’s water temperature controller
* Recipes/Flavor profiles/Rating
* Advanced visualization

See http://espresso-for-geeks.kalaf.net/features/