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Hans Brueggemann · (This post was last modified: 05-24-2023 06:04 PM by Hans Brueggemann.)

(05-23-2023 05:11 PM)Diego Diaz Wrote: ...
Working on a solution for the third: the BAT indicator. It requires some sort of "emulation" of the discharge curve of the alkalines, and I think it can be done by tweaking a bit the DC-DC converter with some 'amplified negative feedback loop' (just an idea for now), and yes I know it may sound kinda contradictory since it's a stet-"up" converter... :-D

Ordered the parts, let's see how it works.

All he best from the (heavily rainy nowadays) Caribbean.

Diego.

i think what you are looking for is "feed forward control" of the output voltage. have a look at my Hurricane II project, there is also the schematic hiding somewhere down on page 2 of the thread.