MOSFET for solenoid drivers

After too long, MOSFETs come to the rescue.  Best way to control solenoids is using a logic power MOSFET.  Can handle up to 10A

rust never sleeps

Neil Young was right "rust never sleeps"

whatscookinggrandma.net

A site where grandmas cook recipes with their granschildren.....whatscookinggrandma.net

safe to pee! and other PHP projects

safe2pee.org lists bathrooms in cities, George would be happy

chicagocrime.org crime in the city 2006-7

Fish robots

Aircuda and Aqua_ray are prototype fish robots

Atari Joystick as controller for ROV

To control the motors on an ROV, maybe use an old Atari joystick, and here are the schematics.

Electronic lock uses a mobile phone

E-Lock is a touch tone activated electronic combination lock which is controlled by the keypad of a mobile phone. When the correct combination is entered, a relay on the E-Lock circuit board is activated. The relay can be connected to a solenoid (not included) controlling the lock on a door or cupboard. To operate the E-Lock, just hold your mobile phone close to the built in microphone and then enter the lock combination on the phone keypad all at apogge kits