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Ceptics 220V to 110V Travel Voltage Converter review

When you're travelling internationally, you just need a normal travel adapter, right? Well, in most cases, yes. If you just ...
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AC to DC Voltage Converter Circuit

This AC to DC converter circuit is capable of converting an alternative voltage within 70V – 260V range into a DC voltage within 180V to 350V DC range, so it can be used for 110V and 220V too. To ...