monitor

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12V Low Battery Relay – Monitor

August 15, 2013  in Electronics / Work - Misc  tagged 12v / detector / low battery / monitor by PMB

I have been updating information on a low voltage detector for 12V battery monitoring. When the applied nominal 12V supply drops below the trip set-point, the relay changes state. This can be used to switch off equipment or trigger an alarm etc. when the battery voltages drops too low. To […]

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Old LCD Monitor Repaired 3

March 1, 2012  in Computers  tagged computer / lcd / monitor / repair by PMB

I got a couple of cheap second hand 15″ Philips 150B LCD monitors recently just to use for testing and working on PCs that don’t normally have a monitor connected. Both cleaned up like new but one had a faint wavy pattern in the background of the image. This indicates […]

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