Practical case: IoT Mailbox Monitor with ESP32
A battery-powered, highly efficient IoT mailbox monitor that remains in a micro-power deep sleep state, wakes up instantly when the mailbox door opens,…
Device Course, ESP32
Device Course
Practical case: ESP32 Washing Machine Monitor
A non-invasive laundry machine monitor using an ESP32 and SW-420 vibration sensor that detects when a wash cycle finishes. It uses edge-based timeout logic…
Practical case: Arduino UNO RFID Clock-In to SD Card
A standalone hardware prototype that reads passive RFID tags, retrieves the current time from a precision real-time clock RTC , and logs the event UID and…
Practical case: greenhouse vent with Arduino UNO
You will build a standalone automated greenhouse vent controller that dynamically adjusts a physical ventilation flap via a servo motor based on ambient…
Practical case: RS485 Relay Node with Arduino UNO
A robust, addressable remote relay node using an Arduino UNO that communicates over a long-distance RS485 bus to toggle a 5V relay based on targeted serial…
Practical case: fridge door alarm with Arduino UNO
A prototype environmental monitor and alarm system that tracks refrigerator door status and internal temperature to prevent food spoilage and energy waste.…