Circuits & Schematics - Security - 6

This is a simple circuit which can detect when you touch a sensor connected to one of the sensor inputs. It can be used to add a touch switch to your computer for example. It uses an AVR micro controller, the AT90S2313 . This is overkill. I can add ...

This may well be the world's only discreet logic circuit to generate truely random output. It makes an excellent candle flicker light for your haloween pumpkin, and looks much more authentic than a shimmer light wherever a good a simulated ...

Often you can get away with running a monochrome monitor on GREEN, but this looks real crappy when viewing color images. These simple resistor networks allow you to display R+G+B on a B/W or CCTV monitor without ghosting. Be shure to set your video ...