25 Jan '15, 3pm

Making Membrane Keypads From Scratch

A few years ago, [Paul]’s son got a simple electronic toy that plays funny noises and sings to him. The son loves the toy, but after months and months of use, the toy was inevitably broken beyond repair. Figuring an ‘electronic box that plays sounds’ wouldn’t be a hard project to replicate, [Paul] set out on making his own. The electronics weren’t hard, but custom membrane keypads are hard to come by. No matter, because it’s actually pretty easy to build your own . Membrane switches are usually made with silkscreen conductive inks on fancy plastic, but that’s not a requirement to build your own. All you really need are four layers – a ‘front decal’, a ‘top foil’ layer for the rows, a ‘bottom foil’ layer for the columns, and a ‘cutout’ layer that provides enough separation between the rows and columns. [Peter] laid out the four layers in Illustrator, printed the layers, and...

Full article: http://hackaday.com/2015/01/25/making-membrane-keypads-fr...

Tweets

Meet the grads from @PGATOUR_LA, @PGATOURCanada & @PGATOURChina who are making their debuts: http…

Meet the grads from @PGATOUR_LA, @PGATOURCanada...

pgatour.com 26 Jan '15, 11pm

– Age 19 ... Born in Hunan, China ... Resides in Shanghai, China ... Won final two events of 2014 to claim No. 1 and earn ...

Making Mittens For A Smartphone

hackaday.com 23 Jan '15, 3pm

For those of us in the slightly inhospitable parts of the northern hemisphere, it’s freaking cold outside. Spring can’t co...