Engineering Portfolio

A selection of systems, tools, and interfaces I've built. Filter by category to explore specific domains.

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Solderless breadboard on a wooden workbench wired with an ESP32 module, ACS712 current sensor, blue OLED display showing live current and voltage, oscilloscope probe, and a yellow Fluke 115 multimeter reading 5.01 V

IoT/Embedded

IoT Environmental & Power Monitoring Telemetry Node

ESP32-based telemetry node with Hall-effect AC current monitoring, calibrated RMS sampling, and real-time MQTT streaming.

ESP32Embedded C++FreeRTOSACS712+3

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Tektronix digital oscilloscope screen displaying a noisy yellow 50.02 Hz AC waveform on channel 1 overlaid with a smooth RC-filtered cyan sine wave on channel 2 at 500 mV per division

IoT/Embedded

AC Energy Monitor & Solid-State Protection Relay

Dual-channel AC mains power monitoring node with ZMPT101B voltage transformer, ACS712 current sensing, and 12ms overcurrent fault trip via solid-state relay.

ESP32ZMPT101BACS712Solid-State Relay+4

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