Hardware projects tagged hc-sr04

Open hardware projects tagged hc-sr04 on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

1 board

Offline flood and typhoon preparedness controller for Arduino Mega 2560 Pro: ultrasonic water level, BME280 pressure trend, TRI scoring, staged alerts, low-voltage relay cutoff.

schematicpcbbomAVRswitchrelaybuzzer

MITSep 30, 2026

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