This connector can be also be used with certain other types of accessories. While 2.5mm was the original standard for phone headsets, the slightly larger 3.5mm size is standard for music ...

If you now want to get one of these awesome pieces of computing history and would like to be able to talk to it, [danjovic] has you covered with the open-source EXPS/2 keyboard adapter.

The main features of the new MelGeek Cyber01 keyboard are the precision adjustment from a shallow0.1mm to 2.5mm, in increments as low as 0.1mm. MelGeek claims users can realize ‘stepping ...

[Curious Marc] has an Apollo-era gyroscope but isn’t quite ready to put it through this paces without some practice. So he borrowed a 1949 vintage Sperry C5 gyro and did some experiments with it ...

Thin and delicate fabrics are best sewn with a short stitch length ( less than 2mm); For medium weight fabrics increase te stitch length to 2.5mm and for heavy weight fabrics a stitch length of 3 mm ...