Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi with an ESP8266 ESP-01 module. With ...

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 ...

Marking on the bottom side of the PCB: ESP32_Relay_X8_Modbus (303E32DC812) The module can be found as "ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Type C 4/8 Channel Relay ...

I came up with this project because a colleague of mine wanted an easy way to control his three garage ports, so I thought it would be nice to control it with an Android app via Bluetooth. I came up ...

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 ...

A voice-controlled home automation system using Arduino is a system that allows you to control your home appliances using your voice. This can be done using a variety of methods, such as using a voice ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...