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Forum: µC & Digital Electronics New Development Board for Li-Ion/LiPo + Solar Powered Projects: ESP32-S3 PowerFeather


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von Powerfeatherdev (powerfeatherdev)


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Hello everyone, I do hope my small self-promotion is ok here. I’d like 
to introduce a board I designed and developed: ESP32-S3 PowerFeather. 
It’s a low-power, solar-capable, Li-ion/LiPo powered development board 
in a Feather-compatible form factor.

In terms of features, you can think of ESP32-S3 PowerFeather as the 
combination of the following hardware on a single board:

- ESP32 Firebeetle (or any other board with low quiescent current)
- Adafruit Universal USB  DC  Solar Lithium Ion/Polymer charger - 
bq24074 (or other charging modules with ‘pseudo’ MPPT)
- Adafruit LC709203F LiPoly / LiIon Fuel Gauge and Battery Monitor - 
STEMMA JST PH & QT / Qwiic (or MAX17048 module)
- Adafruit INA260 High or Low Side Voltage, Current, Power Sensor (or 
other modules for monitoring supply/battery voltage and current)

There is an Arduino/ESP-IDF SDK to help users with the power management 
and monitoring. You can find more details and links to various stuff in 
the landing page if you’re interested to know more: 
https://powerfeather.dev/.

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