Month: June 2006

DIY LCD monitor

DIY LCD monitor

MAKE reader Ronal has some pages describing using an old laptop LCD screen as DIY LCD monitor, I’m not exactly sure where/what converter and inverter is being used (and how much it was) but – this is one of the most asked “DIY” mods folks want to do, so – perhaps we can figure out […]

Listen to math proofs in MIDI

Listen to math proofs in MIDI

Norman writes – “I added this web page just for fun. While looking at some proofs, it occurred to me that their structure resembled musical scores, so as an experiment I decided to see what they “sounded” like. Essentially, the musical notes correspond to the depth of the proof tree as the proof is constructed […]

HOW TO – Build a touchless lightswitch

HOW TO – Build a touchless lightswitch

Ryan writes – “Capacitive sensors have historically been regarded with fear and hostility among hobbyists. They’re notoriously flaky, unreliable, and difficult to design. Further, they traditionally fall in the “analog domain” which is something the casual microcontroller hobbyist can sometimes wince at. They usually require fancy shielding, and are unsettlingly sensitive to changes in things […]