Practical case: solar night light with Arduino UNO
You will build an automated solar night light controller that activates a high-power LED array at dusk. It uses an LDR for ambient light sensing and a…
You will build an automated solar night light controller that activates a high-power LED array at dusk. It uses an LDR for ambient light sensing and a…
A dual-float sump pump controller prototype that automates a 5V relay based on water levels and triggers a piezo buzzer alarm if the water remains…
You will build a resilient, offline-capable weather monitoring station that records precipitation events, timestamps them accurately without internet access,…
A standalone, hardware-backed NFC tool checkout system that reads user badges, logs access events with precise offline timestamps, and continuously displays…
A non-invasive current monitoring system that tracks the activation cycles and runtime duration of a sump pump using a Raspberry Pi 4 Model B. Why it matters…
You will build a smart water-softener salt monitor that uses an I2C Time-of-Flight ToF laser sensor to measure the physical distance to the salt pile. It…