@libresolar

Battery management system for up to 5 Li-ion cells based on TI bq76920

CAN bus interface for Raspberry Pi (Zero W)

GSM board based on SIM800L for UEXT connector

PWM solar charge controller with USB charging port

LoRa communication board based on RFM9x for UEXT connector

Hackable and open source MPPT solar charge controller

Solar/Wind MPPT charge controller for DIN rail mounting

UEXT module with ESP32 for WiFi / Bluetooth support

Fully integrated 12V-24V BMS using ISL94202

MPPT & PWM hybrid solar/wind charge controller