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Coin operated beer dispensing machine
Donkbaca:
OKay, I figure I can get a servo microcontroller to send a signal a solenoid valve in the beer line and to activate the linear actuator to tilt the glass. Anybody know anything more about this stuff? Seems like it can be done....
Donkbaca:
Okay, I have an old p4 running XP that I was going to use as my MAME machine, but that is now collecting dust. I also have one of these:
I have figured out how to use a 12 oz co2 tank to provide CO2 to it, and I have also read about how to keg home brew in the 5l minikegs. I figure I can take off the tap, and connect the beer line to a solenoid valve, then connect the valve to a small stainless steel tube to dispense beer.
I would build a box around it and use a linear servo to tilt the glass. In my mind it would work like this:
Insert coin, coin registers and activates the dispense button. You push the dispense button and the computer sends a signal to the glass tilter to tilt the glass, I figure the glass will stay that way as long as there is current to the motor. After a short delay to make sure the glass is in position, there would be a signal to the valve to open for x number of seconds. I don't think I would have to worry about flow rate because the co2 pressure is regulated to a constant pressure, so I would just have to have the valve open for x number of seconds to dispense.
Next shut the valve, lower the glass and then open the valve for a second or two to top off.
Doesn't seem hard, I just have no idea at all how to do it or what I need to do it.
Vigo:
Le Chuck:
It's probably overkill but I would think that using a good strong servo would ensure even glass tilting full or empty... so try the GWS S689 and you can use a 6 channel maestro USB controller for it and rig the servo power directly into the cooling unit or computer power. What you'll want to do it have the servo attached at the back of the rotation unit and time the changes, or put a weight sensor on it that will activate your batch command to return the servo to the start position. That part really should be the easiest, just have to build the glass holder and hook the servo to to central point on the back.
Donkbaca:
Nice, its coming together...
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