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Public designs

1 board

low-battery-alarm

@matan-vinkler

A simple PCB design that detects low battery levels using a high-voltage divider and triggers a buzzer via a 5 V DC-DC module. Includes input filtering, surge protection (TVS), and transistor-based threshold switching. KiCad project + BOM + gerbers.

schematicpcbbomcapacitorresistorinductorfuse

MIT00Jul 9, 2026