Preview of Build a combo lock with coins
Sample from Make magazine of how to build a combination lock by cutting coins
For the entire plan you must subscribe.
https://makezine.com/2011/05/13/make-volume-26-combination-lock-made-from-money/
For the entire plan you must subscribe.
https://makezine.com/2011/05/13/make-volume-26-combination-lock-made-from-money/