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