Have you ever wanted to turn external electrical devices ON/OFF from your PC? In this article, we will explain how to turn LEDs on and off from a PC using the "USB RELAY X-RL2 (2-channel)," a ...

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Radio trackers have become an important part of studying the movements of wildlife, but keeping one running for the life of an animal has been challenging. Researchers have now developed a way to let ...

ESP32 (Publisher) → HiveMQ Cloud → Backend (Subscriber) → Supabase PostgreSQL ↘ ↗ Frontend (Publisher) → Relay Commands → ESP32 (Subscriber) ...