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2 votes
1 answer
181 views

How to properly measure a 200 A/5 A CT using an Arduino?

I've seen multiple projects for energy monitoring explaining how to calculate values using a Current Transformer (CT), however, all the CTs that were mentioned have high turn ratios. The CT available ...
user avatar
1 vote
1 answer
122 views

LM358DR as LMV358 replacement

So I have an Arduino Uno here that I mistakenly put 24V on the VIN pin, and as a result, the LMV358 on it popped the Magic Smoke. My question is, can I replace it with a LM358? I asked this question ...
Jotaro Joestar's user avatar
2 votes
2 answers
1k views

Energy calculation using Arduino

How I can calculate accurate energy if I have power, current and voltage values? This is the code of energy calculation, the result's it's wrong so how I can fix that? I want to measure apparent ...
mohand zaatreh's user avatar
0 votes
1 answer
564 views

Battery connected to TP4056 will not operate load

I have a simple circuit with an Arduino board (load in the diagram) that I want to power using a solar cell via a TP4056 board. The 18560 Lipo battery is for powering the Arduino during night time. It ...
Astrofrankie's user avatar
0 votes
2 answers
67 views

Powering a project from a car cigarette outlet

In my car boot there is a cigarette style power socket, I have a one of these: https://www.amazon.co.uk/gp/product/B077D71HXY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 I also have an Arduino ...
SPlatten's user avatar
  • 119
0 votes
1 answer
66 views

What is a suggested portable power source for 100w Arduino project?

I purchased one of these LED strips. The 16.4 ft, 60 LEDs per meter one. They are connected to my Arduino Uno. I’ve been powering my Arduino through my laptop, but would now like to make it portable....
Don P's user avatar
  • 101