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.

We'll break down the major differences between all of them, as there's a lot to know if you're looking to invest in one of these to ensure you make the right choice. What is an ESP32? What ...

According to researchers, the ESP32 is "a microcontroller that enables WiFi and Bluetooth connection." In 2023, Espressif reported that one billion units of its ESP32 chip had been sold globally.

The bluetooth chip is called ESP32 and is manufactured by the China-based company Espressif. According to researchers, the ESP32 is "a microcontroller that enables WiFi and Bluetooth connection." ...