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.

Despite a wealth of tutorials for setting up and writing code for the ESP8266 WiFi module, there has not been much of anything on programming this cheap wireless module with the Arduino IDE. Finall… ...

The code examples are contained in the following files: ArduinoSerialMonitor.ino Arduino code to enable communication between the Arduino and ESP8266. Sends data via serial to the ESP8266. Blink.ino ...

The ESP8266 ESP-01 is a Wi-Fi module that allows microcontrollers access to a Wi-Fi network. This module is a self-contained SOC (System On a Chip) that doesn’t necessarily need a microcontroller to ...

ESP-01 ESP1 is the ESP-01 module 4. It’s based on ESP8266. It offers two GPIOs that can be mapped for other functions as well. GPIO0 should be pulled down during RESET to force the module to enter the ...

In this post, I am going to probe the components and compatibility of a cheapest Arduino Uno Wi-Fi board you can buy for your IoT projects. The UNO R3+WiFi (ATmega328P+ESP8266) board is an unofficial ...