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This project builds a solar battery bank monitor: voltage and current sensing on a 24 V bank plus solar input measurement fee...
This project builds a smart home automation panel: an ESP32 drives relay-switched room circuits with per-room current sensing...
This project builds an IoT elevator overload monitor: a strain-gauge load cell under the cabin platform feeds an HX711 amplif...
This project builds an IoT health monitor for a diesel generator set: voltage, current, frequency and fuel-level sensors feed...
This project builds an IoT grain silo monitor: temperature and humidity probes in three zones plus an ultrasonic level sensor...
This project builds an IoT water quality station: pH, TDS, turbidity and temperature probes feed an ESP32, which publishes re...
This project builds an IoT parking monitor: IR sensors on every bay detect vehicle presence, an ESP32 aggregates the states,...
This project builds an adjustable linear DC power supply delivering 0–30 V at up to 3 A, with an adjustable current limit, di...
This project builds a working fingertip pulse oximeter around the Maxim MAX30100 sensor. The sensor's dual LEDs shine into th...