Though from thisabout sleep current vs supply voltage its not a great thing to do when using deepSleep. Also, with the latest July23 Arduino code it doesn't seem to work much over about 3.7v and just crashes at startup now, does anyone else see that?
alonewolfx2 wrote:Yes I don't recommend. But my one module working with 5v lcd on 5v power and it still working(59 days)trackerj wrote:Mario Mikočević wrote:Heya,
do you connect 18650 directly or through step-down to 3.3V ?
Isn't fresh battery voltage of slightly over 4V too much for ESP ?
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Mozz