milliohm meter DIY

Hello, i’m a beginner with Arduino( I’m sorry for my broken English)
I want to make a one intresting project.
I want to make a milliohm meter using an arduino.
Can you help me with that idea, please?
<3

(deleted)

Use a known ‘constant’ high current supply and measure the voltage across the test resistance.
Or use a very accurate amplifier.

Use google:
https://www.eevblog.com/forum/beginners/measuring-very-low-resistance-(nano-to-microohms)/

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