Hacked Gadgets Forum

March 19, 2011

DIY Keypad Lock

at 10:22 pm. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks


William from the Hackers Workbench designed a DIY Keypad Lock. What’s the big deal you ask, well just like the electronics of a time long ago there are no microcontrollers anywhere to be found. Sounds like a simple project until you think about how to get it done using only a handful of gates. Have a look at the project page for schematics and a clear circuit explanation.