Arduino Nano substitute for a RS485 3 Phase DTSU666-H coil based power meter. Less resolution, but better display
Pico control for a Leisure Steam One Touch shower steamer with capacitive touch detection.
Digital overcurrent protection relay on Arduino Uno implementing the IEC 60255-151 Very Inverse curve: ZMCT103C current sensing, peak-to-peak RMS estimation, and time-curve trip logic.
Electrical energy metering system website
FEMM and Octave simulation of a split-core current transformer energy harvester for overhead lines
Two-board eight-channel energy meter in Altium Designer: clamp CTs, LM358 conditioning and 74HC4051 multiplexing into an ADE7753, isolated AMC1100/B0505S front-end, plus an ESP32 + USB-C + RS-485 controller board.
Arduino-based current transformer sensor for machine activity monitoring
Web-based panel mapping & calibration tool for the CircuitSetup 6-Channel ESP32 Energy Meter (ATM90E32). Map breakers to CT channels, run calibration sequences, generate wall-reference PDFs.
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