Arduino Uno/Nano/etc. ESP8266 Wi-Fi module (e.g., ESP-01) Level shifter (or voltage divider) for TX pin (ESP8266 operates at 3.3V) USB to Serial adapter (if flashing ESP8266 separately) Arduino IDE ⚠️ ...

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 ...

A DS18B20 temperature sensor. A pH sensor (analog output). A turbidity sensor (analog output). Serial Communication (Arduino Uno to ESP8266): The Arduino Uno sends the sensor readings (temperature, a ...

*Hey there, fully-trained and certified electrical engineers. If you're interested in the glamorous and lucrative art-world of blinky-lights sculpture, it'll help a lot if you can talk an act like ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...