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 ...

The ESP32 is a powerful, low-cost microcontroller that is widely used in the development of IoT projects. It is popular for its high processing power, low energy consumption, and built-in Wi-Fi and ...

VCC – to VCC of Arduino. GND – to GND of Arduino. RX – to digital pin 0(TX pin) of Arduino. TX – to digital pin 1(RX pin) of Arduino. (connect RX & TX pin after uploading the code) Of LED – Positive ...

This project aims to display the information entered in a mobile phone on an LED dot-matrix type scrolling display. It is done by interfacing a Bluetooth HC-05 module to an LED dot-matrix display ...

This LED desk lamp can be switched on or off from a distance using Bluetooth. You can even regulate the lamp’s brightness through a slider on the screen of your Android smartphone. The key hardware ...

Smart bulbs have been recently increasing in popularity and are steadily becoming a key part of the smart home toolkit. Smart bulbs enable the user to control their light via a special application on ...

RejsaCAN-ESP32 is a small board based on ESP32-WROOM-32 WiFi (and Bluetooth) module with a CAN interface that fits into a 3D printed OBD-II dongle for easy installation into most cars. Magnus Thomé ...