The picture was taken around 3 AM on November 9 2003 during the eclipse that took place then
This diagram shows how a moving coil meter is driven using a current-source, consisting of an op-amp (half of an LM358) fortified with a 2N3904 NPN transistor. Full scale input voltage is 5V. Meter is 12.5mA full scale deflection.
This picture was taken when he was in his favorite chair one afternoon. He belongs to my cousin. I am allergic to cats so I can't have one here. Still, they are fascinating animals.
We may have seen the Schuko-RJ45 converter cable, but here is a way to use ordinary earthed extension cords for long serial lines. These extension cords have 3 wires, two for power and one for grounding, and this maps nicely into the use for data in either direction and common.
I don't think I can recommend the opposite possible use, of a low voltage serial cable used as a power extension cord. These will definitely not achieve any CE-marking!
Man tager en 10-er med Fridtjof Nansen og en 100-lapp med Camilla Collett, og setter sammen et nytt fjes av toppen av Nansen og bunnen av Collett...
Og hvem fikk man da?
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| Hubble Deep Field | Jellyfish seen from the Kalvøya bridge june 2008 |
And an alternative product for whom it may be of interest
