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Author: Martijn

E-mail: martijn@raptorsnest.nl

Recovering (JPEG) files

Format C: ? y/n

Everybody knows you should make a good backup, but how many people actually do it? An old colleague of mine wanted to reinstall Windows on his computer and thought his family photos to be safe on the system’s second hard drive. However, during the reinstall (which included formatting) there was a mix-up of the IDE and SATA drive and their partitions. When he rebooted his computer the photos were gone, replaced by a clean partition containing only the Windows OS.

Soccer ball speed meter

My family has an annual reunion where a lot of games are played, many of them revolving around their favorite sport: soccer. Some twenty years ago my father came up with the question of whether we could measure the speed of a soccer ball. That way we would have a new game in which the family members could see who has the strongest kick. Since then this project has seen several incarnations.

Wireless Quiz Table

Wireless quiz table

To determine who goes first in answering a question during a quiz a quiz table is used; the player that presses the button first gets to go first. That’s pretty simple, but we would also like to know the order in which the players pressed their buttons, in case the first player gives the wrong answer. Furthermore, we would like to get rid of all the cables, so that nobody can trip over them and the players can be seated at any convenient location.