|A current actuated relay driver turns on accessories when a primary draws AC current.
|A patch for an early Tivo TV recorder that refuses to talk over the telephone because a MOSFET switch has failed.
|Macintosh connector pins
|A Microsoft Excel spreadsheet with a collection of pinout data for early Macintosh computers.
|MacBattery 4.5 volt
|Making a 4.5 volt PRAM battery.
|MacBattery 3 volt
|Using carbon zinc cells in place of a lithium PRAM cell..
|A method of getting a few volts directly from an AC power line using a silicon controlled rectifier.
Last Update 27 Feb, 2007