This project is an advanced 4-channel relay module designed for home automation and IoT applications. Unlike standard relay boards, this design integrates an LM2596 buck converter for onboard ...
The Sourcecode is based on an elektor project (https://www.elektormagazine.de/magazine/elektor-201610/39858). Compatible with HC-05/06 slave mode, support Bluetooth ...
Part of any self-respecting Smart Home, smart relays are useful for switching and monitoring loads that do not plug into an outlet. This also makes them a lot more integrated, and thus, a long ...
ESP32 is a tiny cheap 8$ module with a dual core 32-bit CPU and built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic electronics projects. All these features are ...
The Joule Thief Circuit is a simple and clever electronic design that can power an LED using a nearly dead battery.