stuartpittaway/diyBMSv4
Version 4 of the diyBMS observed · 2026-08-28
Health v2 · maintenance only
47/100
- Activity 33
- Release rhythm 35
- Longevity 100
Flags: no_releases no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 2722
- days_rel: n/a
- days_push: 404
- n_releases_24m: 0
Adoption not part of the score
1134 stars · 239 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Version 4 of a do-it-yourself battery management system (BMS) for lithium-ion battery packs and cells, including ESP32-based controller boards and cell monitoring modules. This repository contains the open-source hardware designs in KiCad format, with precompiled outputs for PCB fabrication.
Use cases
- build a DIY battery management system for lithium-ion cells
- monitor and balance cells in a home powerwall
- design and order custom BMS PCBs from JLCPCB
- monitor 8 to 16S battery pack configurations
- log battery data to SD card with CANBUS and RS485 support
When to choose
- you want an open-source, self-built BMS for a DIY powerwall or battery pack
- you need cell monitoring with optional passive balancing for lithium-ion cells
- you want hardware designs you can modify and fabricate yourself
When to avoid
- you need a certified, off-the-shelf commercial BMS with safety guarantees
- you only want the firmware/software without building hardware
- you need active (not passive) balancing out of the box
Facets
application · maturity active
iot embedded monitoring hardware iot energy embedded-systems embedded iot battery-management-system bms kicad pcb-design lithium-ion powerwall diy-hardware cell-monitoring esp32 attiny
1 source
- readme: https://github.com/stuartpittaway/diyBMSv4 · fetched 2026-08-28 · 09b5125a4f58
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| stuartpittaway/diyBMSv4 | main | 47 |
For agents
markdown · JSON · MCP: product_card(name="stuartpittaway/diyBMSv4")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem