[Jean-Christophe Rona] found himself with some free time and decided to finish a project he started two years ago, reverse engineering cheap 433MHz home automation equipment. He hopes to control his ...

This project demonstrates a Bluetooth-based Home Automation System using the AT89S52 (8051) microcontroller and HC-05 Bluetooth module. The system allows wireless control of electrical appliances ...

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The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.