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This project instruments a workshop compressed-air line: a pressure transducer watches the ring main continuously, the contro...
This project instruments an RO water purifier: TDS probes on the inlet and outlet measure how well the membrane is rejecting...
This project builds a reservoir telemetry reporter: an ultrasonic sensor watches the water level in a gauge well, the control...
This project prototypes a bookable EV charging station: drivers reserve one of six charging points from the dashboard, check...
This project builds a connected egg incubator: an ESP32 holds the chamber at hatching temperature with a DHT22 sensor and a P...
This project builds a fan speed controller that listens instead of being touched — an electret microphone detects claps, the...
This project builds a classic digital dice from discrete logic — a 555 timer clocking a 4017 decade counter so fast that pres...
This project builds an infrared remote-control decoder around the TSOP1738 receiver that displays the protocol, address and c...
This project builds a handheld digital distance meter around the HC-SR04 ultrasonic sensor, with an Arduino computing time-of...
