One point of truth
All current passes the shunt; the board only reads it. No second path, no silent error.
A Tadorne reference design
Vigie
The battery's lookout. One board that measures the energy aboard, keeps watch on a few microamps and reports from the bilge — all year, main switch off.
- Board
- 86 × 54 mm
- Layers
- 4
- Watch current
- 22 µA
- Measured current
- 100 A
- Regime
- All year
Battery state read at the shunt, and a watch kept all year.
What the node brings
Always alive
Fed upstream of the main switch, it is the one module that outlives the winter.
Built from scripts
Schematic, placement and routing are regenerated by versioned code, not drawn by hand.
Join Vigie
Contributors welcome. The board is on the bench, the season afloat comes next.