Qdeathstar:
Cost me 28 bucks to drop 3.7v down to 3.0v.... I feel robbed. (LDO, caps, SOT-23 breakout board)But at least it works!
I tried a 3.3v zenner diode but the voltage was still too high at 3.3v... (guess the temperature sensor on the weather station is calibrated to 3v, the 3.3v resulted in a temperature reading 4-7 degrees F too high.
Coulda just gotten a 3v zenner diode i reckon...
Would this have helped, AliExpress.
[ESP32 ESP32S For Wemos For Raspberry Pi 18650 Battery Charge Shield Board V3 Micro USB Port Type-A USB 0.5A For Arduino Charge](http://"http://"http://ESP32 ESP32S For Wemos For Raspberry Pi 18650 Battery Charge Shield Board V3 Micro USB Port Type-A USB 0.5A For Arduino Charge"")
Tom... 