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    44 repositories

    • charge-controller-firmware

      Public
      Firmware for Libre Solar MPPT/PWM charge controllers
      C++
      •
      Apache License 2.0
      •80•175•9•1•Updated Apr 16, 2026Apr 16, 2026

    • bms-firmware

      Public
      Firmware for LibreSolar BMS boards based on bq769x0, bq769x2 or ISL94202
      C
      •
      Apache License 2.0
      •91•219•20•0•Updated Apr 9, 2026Apr 9, 2026

    • bms-c1

      Public
      16s / 100A Battery Management System
      hardwareopenbms
      hardwareopenbmsbq76952
      KiCad Layout
      •
      Other
      •57•205•25•0•Updated Mar 29, 2026Mar 29, 2026

    • libresolar.github.io

      Public
      Libre Solar website built with VitePress
      CSS
      •
      Creative Commons Attribution Share Alike 4.0 International
      •10•6•1•3•Updated Feb 26, 2026Feb 26, 2026

    • coding-guidelines

      Public
      Coding style guideline for Libre Solar projects
      1•4•0•0•Updated Aug 6, 2025Aug 6, 2025

    • bq769x0-arduino-library

      Public
      Arduino-compatible library for battery management system based on Texas Instruments bq769x0 analog frontend (bq76920, bq76930 and bq76940)
      C++
      •
      GNU Lesser General Public License v3.0
      •21•51•2•0•Updated Mar 11, 2025Mar 11, 2025

    • kicad-footprints

      Public
      LibreSolar KiCad footprint library
      MIT License
      •6•9•1•0•Updated Jun 25, 2024Jun 25, 2024

    • kicad-symbols

      Public
      LibreSolar KiCad schematic symbols library
      MIT License
      •4•4•0•0•Updated Apr 25, 2024Apr 25, 2024

    • LoRaMac-node

      Public
      Fork with Libre Solar additions for FUOTA with Zephyr
      C
      •
      Other
      •1.1k•2•0•0•Updated Feb 6, 2024Feb 6, 2024

    • dcdc-control

      Public
      AMPL
      •2•3•0•0•Updated Feb 5, 2024Feb 5, 2024

    • bms-8s50-ic

      Public
      Fully integrated 12V-24V BMS using ISL94202
      KiCad Layout
      •
      Creative Commons Attribution Share Alike 4.0 International
      •23•40•7•0•Updated Dec 2, 2023Dec 2, 2023

    • zephyr

      Public
      Zephyr RTOS repository customized for Libre Solar firmware
      C
      •
      Apache License 2.0
      •9k•1•0•0•Updated Sep 15, 2023Sep 15, 2023

    • uext-esp32-c3

      Public
      KiCad Layout
      •
      CERN Open Hardware Licence Version 2 - Weakly Reciprocal
      •1•4•0•0•Updated Feb 13, 2023Feb 13, 2023

    • mppt-1210-hus

      Public
      MPPT solar charge controller with dual USB ports
      KiCad Layout
      •
      Other
      •28•77•1•1•Updated Oct 5, 2022Oct 5, 2022

    • oled-display-library

      Public
      Library for SSD1306 OLED displays based on Adafruit GFX
      C++
      •
      Other
      •4•5•0•0•Updated Oct 4, 2022Oct 4, 2022

    • charge-controller-housings

      Public
      Collection of housings for Libre Solar MPPT/PWM charge controllers
      Creative Commons Attribution Share Alike 4.0 International
      •3•3•0•0•Updated Sep 8, 2022Sep 8, 2022

    • esp32-edge-firmware

      Public
      Firmware for CAN/UART to WiFi/BLE gateway using ESP32
      platformioesp-idflibre-solar-devices
      platformioesp-idflibre-solar-devicesthingset-protocol
      C
      •
      Apache License 2.0
      •14•28•2•0•Updated Jun 28, 2022Jun 28, 2022

    • bms-15s80-sc

      Public
      Battery management system for up to 15 Li-ion cells using bq76940 or bq76930
      GNU General Public License v3.0
      •40•73•2•0•Updated Mar 15, 2022Mar 15, 2022

    • learn.libre.solar

      Public
      Building DC Energy Systems (OER)
      Shell
      •
      Creative Commons Attribution Share Alike 4.0 International
      •21•16•2•0•Updated Nov 13, 2021Nov 13, 2021

    • files.libre.solar

      Public
      Simple file storage for device information using GH pages
      HTML
      •1•1•0•0•Updated May 17, 2021May 17, 2021

    • mppt-2420-hc

      Public
      MPPT charge controller with HS load switch and CAN bus
      KiCad Layout
      •
      Other
      •25•113•15•0•Updated May 3, 2021May 3, 2021

    • isotp-c

      Public
      An implementation of the ISO-TP (ISO15765-2) CAN protocol in C
      C
      •
      MIT License
      •96•2•0•0•Updated Apr 20, 2021Apr 20, 2021

    • esp-idf

      Public
      Espressif IoT Development Framework. Official development framework for ESP32.
      C
      •
      Apache License 2.0
      •8.2k•1•0•0•Updated Apr 16, 2021Apr 16, 2021

    • lits-specification

      Public
      LiTS - Lightweight/Libre/Little Time Series Format
      1•5•0•0•Updated Mar 31, 2021Mar 31, 2021

    • hal_stm32

      Public
      Fork maintained until PlatformIO upgrades their package library to newer version
      C
      •
      Other
      •161•1•0•0•Updated Jan 14, 2021Jan 14, 2021

    • mppt-2420-rc

      Public
      Solar/Wind MPPT charge controller for DIN rail mounting
      KiCad Layout
      •
      Creative Commons Attribution Share Alike 4.0 International
      •3•17•9•0•Updated Jun 17, 2020Jun 17, 2020

    • cicada-library

      Public
      IoT Communications Module for Energy Access. An easy way to get production ready, bi-directional communications for your IoT embedded device. Proiect supported …
      C++
      •
      MIT License
      •10•1•0•0•Updated Apr 30, 2020Apr 30, 2020

    • digital-dcdc-control

      Public
      Modeling and design of DC/DC controller
      MATLAB
      •4•5•4•0•Updated Mar 30, 2020Mar 30, 2020

    • data-manager

      Public
      CAN/UART to WiFi gateway and SD card data logger based on ESP32
      KiCad Layout
      •
      Creative Commons Attribution Share Alike 4.0 International
      •3•4•2•0•Updated Dec 23, 2019Dec 23, 2019

    • mppt-2420-hpx

      Public
      MPPT & PWM hybrid solar/wind charge controller
      KiCad Layout
      •
      Creative Commons Attribution Share Alike 4.0 International
      •4•11•3•0•Updated Dec 16, 2019Dec 16, 2019
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