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RJsfishin's avatar
RJsfishin
Explorer
Sep 19, 2014

LCD Backlit DC Voltmeter (doesn't require power)

I received this yesterday, (beeeeautiful) says it doesn't use any power. Now I'm not the smartest when it comes to elect tech, but CS alone tells me that is impossible. What you say ? http://www.eba...
MrWizard's avatar
MrWizard
Moderator
Sep 19, 2014
I think it's common practice to mount shunt in the negative lead
It's so common, that the Turnigy power meter has the internal shunt, in the negative side of the circuit

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