ACS711EX Current Sensor Carrier -31A to +31A (POLOLU-2453)

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This board is a simple carrier of Allegro’s ±31 A ACS711 Hall effect-based linear current sensor with overcurrent fault output, which offers a low-resistance (~0.6 mΩ) current path and electrical isolation up to 100 V. This version accepts a bidirectional current input with a magnitude up to 31 A and outputs a proportional analog voltage centered at Vcc/2 with a typical error of ±4%. It operates from 3 V to 5.5 V, so it can interface directly to both 3.3 V and 5 V systems.

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Is this suitable to measure DC currents?

Hey Edwin, it sure can. It will measure currents from -31A to 31A DC.