HC-SR04 Sensor Lab – OmGrid Holder Set (5 STL) + ESP32 Firmware, Live Dashboard, Wiring and PDF Guides

Everything from Sensor Series Project 01 in one free download: the HC-SR04 ultrasonic project, wired, coded and measured on a real bench. Same package as on omartronics.com. **3D printing (OmGrid system, 5 STL files)** - OmBlock HC-SR04 sensor holder + OmBase grid plate - OmBlock ESP32, OmBlock Power and OmBlock Breadboard – the full bench setup from the video - PLA, 0.2 mm layers, no supports **Firmware (MIT)** - Serial test sketch: trigger, echo timing, range filter, one file - Live web plott…

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