[TriEmbed] Measure uA

[Brian]

> *From:*The MacDougals <paulmacd at acm.org>
> *Sent:* Thursday, August 26, 2021 9:25 AM
> *To:* jwet at mindspring.com
> *Subject:* RE: [TriEmbed] Measure uA
> 
> I assume you mean using a 330 ohm as a shunt resistor in series with the 
> load (not across the load).
> 
> Measure the voltage between the R and the load and use Ohm’s law to 
> calculate the resistance of the load and then calculate amps.

Just measure the voltage across the resistor and calculate the current 
through it with Ohm's law; no need to calculate the load's equivalent 
resistance.

-B