#84 Measuring small currents (incl. building of an amplifier and the µCurrent Gold)

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In this tutorial we measure small currents down to µA. We also use the Arduino itself for that purpose, discover and solve some of the problems associated with that.
We only work on the low side and discuss also the effect of the shunt resistor and how to reduce it.
Link to the µcurrent Gold from eevblog (Dave Jones):
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