In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

This microcontroller-based project provides bluetooth control to a mains relay, with an onboard real time clock (RTC) which tracks the given time and day of week, such that user-defined 'alarms' ...

Nowadays, people have smartphones with them all the time. So it makes sense to use these to control home appliances. Presented here is a home automation project using a simple Android app, which you ...

Waveshare ESP32-S3-Relay-6CH is a 6-channel WiFi and Bluetooth relay module based on Espressif Systems ESP32-S3 wireless microcontroller that also supports RS485 control and comes with headers taking ...

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 ...

This comprehensive guide shows you how to interface the HC-05 Bluetooth module with the ESP8266 NodeMCU using Arduino IDE. Nowadays, Bluetooth has become an integral part of digital devices, and it ...