sushisongren
As you can see, the small current measurement is not quite accurate, but it still meet my error rate. I think you can install a larger Rshunt to get more accuracy in small current measurement.
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Build My Ampere Meter
Use STM32 and INA226 to build a ampere meter for myself，which could measure ±25A within 0.3% error. The INA260 version is on his way.
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