Uploaded October 2020 | Updated September 2026, 2 weeks ago

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All currents measured including modified (removed power LED) Arduino Pro Mini in deep sleep mode powered directly from 18650 Li-Ion cell.
Open-Smart 2.6" LCD seems to be good candidate for low-power projects thanks to very efficient sleep mode.

As a bonus PC Hardware Monitor ported to ST7567.

More about ST7567:
youtu.be/YC-wqZnCGQ4

More about PC Hardware Monitor project:
youtu.be/ueMiQeVOCmo
youtu.be/_XbgCrL8Fp4
youtu.be/1hbvSfuRcWg