[TriEmbed] Measure uA

[Christopher Svec]

I have a Joulescope (https://www.joulescope.com) which you’re welcome to borrow!
________________________________
From: TriEmbed <triembed-bounces at triembed.org> on behalf of Shane Trent via TriEmbed <triembed at triembed.org>
Sent: Wednesday, August 25, 2021 5:45:48 PM
To: Paul MacDougal <paulmacd at acm.org>
Cc: TriEmbed Discussion <triembed at triembed.org>
Subject: Re: [TriEmbed] Measure uA

Paul,

If memory serves there is a TriEmbed member with one of the low current characterization devices. Maybe the CurrentRanger? But I cannot recall who that might be.
https://lowpowerlab.com/shop/product/152

And here is a roll your own option using an ATTiny85. The Technoblogy is great as well.
http://www.technoblogy.com/show?2S67

Another DIY option.
https://www.lab4iot.com/2020/07/24/a-low-cost-current-measuring-technique-for-iot-devices-diy/

Best,
Shane

On Wed, Aug 25, 2021 at 4:56 PM The MacDougals via TriEmbed <triembed at triembed.org<mailto:triembed at triembed.org>> wrote:

I want to measure DC current of ESP8266 while in deep sleep.

Should be around 19uA.



I recall Dave Jones had a device that turned a volt meter into an amp meter.

https://www.eevblog.com/product/ucurrentgold/



I found this clone:

https://github.com/nfhw/tinycurrent



Looks like it is available assembled from Germany for 60.50 €

https://www.n-fuse.co/devices/tinyCurrent-precision-low-Current-Measurement-Shunt-and-Amplifier-Device.html



Anyone already have one of these?  Anyone else interested in getting or building one?

Other options/ideas?



---> Paul



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