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Low voltage refers to voltages in a range from 1) 50–1000 Volts AC (root mean square) and 2) 120–1500 Volts DC according to standard IEC 60038 of the International Electrotechnical Commission.

0 votes
1 answer
118 views

Having two variable voltage sources, how drive current only from the larger one at every time?

Suppose I have a circuit I want to power, nominally 6V DC, 500 mA max. The circuit could be modelled as purely resistive (an incandescent bulb, for example). Let Vx and Vy be two different voltage so …
heltonbiker's user avatar
6 votes
1 answer
154 views

Standards for vehicular lighting connections

I am a cyclist and electronics hobbyist, so I am designing an electrical system for my bicycles. THE QUESTION "What do I need to know (standards, available components, good practices) so that I can …
heltonbiker's user avatar
0 votes
2 answers
737 views

Simple way to charge 5 x AA via USB - any off-the-shelf component for that?

I need to power a gadget I am building with 5 x AA batteries (6V), but I also want to be able to recharge it via USB (5V) while the gadget is on (that is, I want to be able to plug and unplug the USB …
heltonbiker's user avatar