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 ...

Arduino Uno, the most popular microcontroller among electronics hobbyists and students and its pretty easy to get started with embedded systems using Arduino But one drawback of Arduino is that it ...

This is the basic circuit diagram. Wire up 2 of these circuits, one for master and one for the slave. For the connections, all we are doing here is connecting the HC05 to the Arduino. The Receiver (Rx ...

Make sure you select pin 13 for led blink. Upload this code to your arduino int ledPin = 13; void setup() { Serial.begin( 9600 ); // baud rate 9600 for the serial ...

I connected the Bluetooth module’s rx to 11, tx to 10 and gn to gnd and vcc to 5v. The en pin was also HIGH (applying 3.3V) Then I powered up the arduino and also the Bluetooth module. Then I uploaded ...

Arduino Nicla Vision is an ultra-compact (~2.3×2.3 cm) board powered by an STMicro STM32H7 dual-core Cortex-M7/M4 microcontroller, and equipped with a 2MP camera, a WiFi & Bluetooth LE module, and a ...

Android apps for Arduino Bluetooth Control. What are some of the best apps available? Zach Wendt and Jeremy S. Cook walk us through the stages of development, considering the advantages and ...

LilyGO introduced the ESP32 powered T-Watch-2020 smartwatch last year with a slim form factor, a 1.54-inch LCD capacitive touch screen, WiFi & Bluetooth connectivity, and support for Arduino. The ...

Patrick Thomas Mitchell has been once again been creating awesome add-ons for your Arduino projects and has this month launched a new Kickstarter campaign for his Arduino speech recognition and relay ...