2 layers50 × 35 mm

Bms4 f051
GyrocopterLLC/bms4-rust
Battery management system (bms) for 4 series Li-Ion cells programmed in Rust
63 parts1MIT
Boards in 2 GitHub repositories, designed in KiCad, that use the ISO7721D by Texas Instruments (-55℃~+125℃ 1 1 100Mbps 100kV/us 11ns 2.25V~5.5V 2.25V~5.5V 5000 Fail-safe output High Level SOIC-8 Digital Isolators ROHS). See how each wires it, with its parts, size, README and files; the ISO7721D’s symbol, footprint and pinout are on its own page.

GyrocopterLLC/bms4-rust
Battery management system (bms) for 4 series Li-Ion cells programmed in Rust

bl1ndc4m3l/sdc-ntc-emulator
SDC3-40 NTC emulator for remote temperature setpoint