Finally i managed to come up with my own layout and built it in around a day.
Marble adding machine.
I saw the wooden roller chain in a video by michael schultheiss.it was a lot of work to make this chain, but it runs.
You can try building your own using these plans though.
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Another challenge was a mechanism to capture the output of the machine.
Buy a binary marble adding machine i have sold all the machines that i built.
I actually think it is really useful to know binary, and showing my kids this video was just one more way to impress upon them binary's usefulness.
It uses wood instead of silicon, gravity instead of voltage, and marbles instead of current.
Input marble drop slider another important element was to add a slider which allows a whole 'number' of marbles to be dropped into the adder simultaneously.
Even without me posting the machine for sale, i get the occasional email of people asking wether they can buy the machine.
I may at some point build another batch, but i have no immediate plans to do so.
A marble adding machine seems just about right for a geekdad project.
By matthias wandel time required:
More detail on how the binary marble adding machine works
A place to show off your collection or dispense advice on repairs.
A marble adding machine made in phun.
Turing tumble a diy mechanical computer powered by marbl share tweet related videos binary marble adding machine and the universal tea machine matthias wandel built an impressive binary adding machine using wood and marbl you load the binary numbers you want to add in the top placing a marble wherever marble.
The binary marble adding machine is a device that adds binary numbers mechanically.
“when the rocker is set to the left, that represents a zero.