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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