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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Posted to sci.electronics.design,sci.electronics.repair
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How to power a halogen bulb?
I asked in another thread about a halogen bulb to light a projector. A
particular DIY project site shows the use of a 12v 20w halogen bulb, presumably because that's what the projector they have puts out to the lamp socket. However apparently mine, which is uses 21V bulbs and I find that when I test the socket, it actually shows about 24V. The idea is to splice the halogen bulb on its own mouting into the wires for the projector's lamp. However, I assume I can't run a 12v bulb on a 24v source, if I can't find a 21v (or 24v?) 20-watt bulb, how would I go about rigging (or finding) an independent 12v (or whatever voltage) power supply for the halogen bulb? Thanks |
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